74479776247 Datasheet

Wurth Electronics Inc.

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Datasheet

Passive Components
New Products 2010/2011
EMC Ferrites
Common Mode Chokes
Power Inductors
Power Transformers
LAN Transformers
NEW!
Small Component – Huge Award
WE-PMI Power Multilayer Inductor
We are proud to achieve the position of 1st place
in product of the year 2010 for the “Passive Components“
category, as voted by readers of ELEKTRONIK magazine.
Compact multilayer
Suitable for applications with
high currents up to 2.5 A
Magnetically shielded construction:
No crosstalk
For DC/DC converters, especially
at high switching frequencies (> 1 MHz)
For portable devices like PDA and
digital cameras
Thanks to all the readers of
ELEKTRONIK magazine.
The whole Würth Elektronik team
feels honoured with this award.
02 www.we-online.com
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WE-PMI
Power Multilayer Inductor
Size 0805 / Size 0806
Characteristics
Compact multilayer type
Suitable for applications with high currents
up to 2.5 A
Magnetically shielded construction: No crosstalk
Operating temperature: –40 °C to +125 °C
Recommended soldering profile: Reflow
Available in two different types
Applications
DC/DC converters especially at high switching
frequencies (> 1 MHz)
Portable devices like PDA and digital cameras
* Category Passive Components in the magazine ELEKTRONIK
Electrical properties: Size 0805
Order Code Inductance
±20%
(µH)
Q
min.
Test
Frequency
(MHz)
DCR
±30%
(mΩ)
IR @ 20K
(mA)
IR @ 40K
(mA)
Isat
(mA)
SRF
min.
(MHz)
Qty.
744 797 752 10 1.0 10 190 800 1100 700 100 4000
744 797 752 22 2.2 12 270 500 700 500 70
IR referring to self-heating, Isat referring to inductance loss of 30%
Inductance vs. Current
Dimensions (in mm)
Land pattern (in mm)
Electrical properties: Size 0806
Order Code Inductance
±20%
(µH)
Q
min.
Test
Frequency
(MHz)
DCR
±30%
(mΩ)
IR @ 20K
(mA)
IR @ 40K
(mA)
Isat
(mA)
SRF
min.
(MHz)
Qty.
744 797 762 22 2.2
15 1
110 900 1200 400 75
3000744 797 762 33 3.3 130 800 1100 300 60
744 797 762 47 4.7 160 700 1000 250 45
IR referring to self-heating, Isat referring to inductance loss of 30%
Inductance vs. Current
Dimensions (in mm)
Land pattern (in mm)
0
1
10
110 100 1000 10000
Strom/DC Current (mA)
Induktivität/Inductance (µH)
1.0 µH
2.2 µH
0,5 ±0,3
2,0 ±0,2
1,0 max.
1,2 ±0,2
0,8 0,8 0,8
1,4
0
1
10
110 100 1000
Strom/DC Current (mA)
Induktivität/Inductance (µH)
2.2 µH
3.3 µH
4.7 µH
0,5 ±0,3
2,0 ±0,2
1,0 max.
1,6 ±0,2
0,8 0,8 0,8
1,8
Product of the year
2010!*
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WE-PMI
Power Multilayer Inductor
Size 1008 (Low DCR) / Size 1008 (High Current)
Electrical properties: Size 1008 (Low DCR)
Order Code Inductance
±20%
(µH)
Q
min.
Test
Frequency
(MHz)
DCR
±30%
(mΩ)
IR @ 20K
(mA)
IR @ 40K
(mA)
Isat
(mA)
SRF
min.
(MHz)
Qty.
744 797 871 47 0.47 15
1
90 1500 1900 700 110
3000
744 797 872 10 1.0 15 120 2000 2500 500 90
744 797 872 15 1.5 15 70 1200 1600 800 70
744 797 872 22 2.2 15 80 1100 1500 700 60
744 797 872 33 3.3 20 100 950 1350 400 50
744 797 872 47 4.7 20 110 850 1250 250 40
IR referring to self-heating, Isat referring to inductance loss of 30%
Electrical properties: Size 1008 (High Current)
Order Code Inductance
±20%
(µH)
Q
min.
Test
Frequency
(MHz)
DCR
±30%
(mΩ)
IR @ 20K
(mA)
IR @ 40K
(mA)
Isat
(mA)
SRF
min.
(MHz)
Qty.
744 798 872 10 1.0 15
1
290 600 1000 1200 100
3000
744 798 872 22 2.2 19 400 550 850 1100 70
744 798 872 47 4.7 26 530 450 750 850 50
744 798 872 68 6.8 30 650 350 700 600 40
744 798 873 10 10 35 700 300 650 350 30
IR referring to self-heating, Isat referring to inductance loss of 30%
Inductance vs. Current
Inductance vs. Current
Dimensions (in mm)
Dimensions (in mm)
Land pattern (in mm)
Land pattern (in mm)
0
1
10
110 100 1000 10000
Strom/DC Current (mA)
Induktivität/inductance in (µH)
2.2 µH
3.3 µH
4.7 µH
0.47 µH
1.0 µH
1.5 µH
0
1
10
100
110 100 1000 10000
Strom/DC Current (mA)
Induktivität/inductance (µH)
1.0 µH
2.2 µH
4.7 µH 6.8 µH
10 µH
0,9 ±0,2
0,5 ±0,3
2 ±0,3
2,5 ±0,3
1 ±0,2
2 ±0,3
0,5 ±0,3
2,5 ±0,3
2,2
0,8 1,2 0,8
2,2
0,8 1,2 0,8
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STAR-BUENO
Snap Ferrite
With optical closing control mechanism
Characteristics
Internal prefixing cable system facilitates the cable
assembling process
The security lock guarantees electromagnetic
compatibility because only authorized persons can
unlock the snap ferrite with the STAR-TEC key
Classification of the plastic case: UL94-V0
Operating temperature: –25 °C to +105 °C
Applications
EMC ferrite for the EMI suppression in the frequency
area from 1 MHz to 1 GHz
Fastening for round cables with diameter 2.5 mm to
8.5 mm or if winded more turns through the ferrite
Reusable because of the key technology therefore
perfect for test and measuring purposes in EMC labs
Dimensions 742 758 12 (in mm)
Dimensions 742 758 13 (in mm)
Dimensions 742 758 15 (in mm)
Characteristics of one turn
Electrical properties
Order Code Impedance (Ω) Material Cable
(mm)
25 MHz 100 MHz
742 758 12 100 150
4 W 620
2.5–5.0
742 758 13 120 200 4.5–8.5
742 758 15 180 250 4.5–8.5
20,0 typ.
28,0 typ.
20,0 typ.
Cable
2,5 ~ 5,0
39,0 typ.
24,0 typ.
Cable
4,5 ~ 8,5
24,0 typ.
55,0 typ.
24,0 typ.
24,0 typ.
Cable
4,5 8,5
742 758 12
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
742 758 13
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
742 758 15
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Innovative &
ergonomic design
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WE-AFB LFS
Low Frequency Axial Ferrite Bead
Suppression in the low frequency range
Characteristics
Ferrite core made of MnZn, a material which works
in the low frequency range
Operating temperature: –25 ºC to +85 ºC
Applications
Especially for applications in the low frequency range
from 150 kHz to 30 MHz
Suppression of electronic ballasts (i.e. neon tube) in
the lighting industry
Electrical properties
Order Code A
(mm)
B
(mm)
C
(mm)
Impedance (Ω) Material Cable
(mm)
1 Turn
1 MHz 10 MHz
742 772 33 9.5 4.75 9.5 30 40
8 W 5000
4.4
742 772 7 14.2 6.35 28.5 130 100 6.0
742 772 53 16.0 8.0 28.5 100 80 7.6
742 772 9 17.5 9.5 28.5 100 60 9.1
742 772 55 18.6 10.2 28.5 90 60 9.8
742 772 90 26.0 13.0 28.5 90 50 12.5
Sorted according to measurement B
Dimensions
Comparison of core materialMaterial characteristics
C A
B
1
1000
100
10
0.1 110 100
Frequenz/frequency (MHz)
Impedanz/impedance ()
NiZn
MnZn
0.01 0.1 110 100 1000 MHz
MnZn
NiZn
Materials
150 kHz to 30 MHz
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STAR-FIX LFS
Low Frequency Suppressor Snap Ferrite
Suppression in the low frequency range between 300 kHz to 30 MHz
Characteristics
Ferrite core made of MnZn, a material which works
in the low frequency range
Operating temperature: –25 ºC to +85 ºC
Applications
Especially for applications in the low frequency range
from 150 kHz to 30 MHz
Perfect for applications with varying cable diameter
Reusable because of the key technology therefore
perfect for test and measuring purposes and cables
with difficult access
Suppression of electronic ballasts (i.e. neon tube) in
the lighting industry
DimensionsElectrical properties
Order Code A
(mm)
B
(mm)
C
(mm)
Impedance (Ω) Material Cable
(mm)
1 MHz 10 MHz
742 727 33 35.1 21.7 18.2 30 45 8 W 5000 4.5–8.0
742 727 22 35.1 31.0 28.0 8.5–12.5
742 71: 5 safety keys
Impedance vs. Frequency Comparison of core material
B
A
C
1
1000
100
10
0.1 110 100
Frequenz/frequency (MHz)
Impedanz/impedance ()
NiZn
MnZn
10
100
0.1 110 100
Frequenz/frequency (MHz)
Impedanz/impedance ()
B
150 kHz to 30 MHz
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WE-CNSW
SMD Common Mode Line Filter
Size 0603
Characteristics
High common mode noise suppression at high
frequencies
Small influence on high speed signals through
winding symmetry
Recommended solder profile: Reflow
Operating temperature: –40 ºC to +105 ºC
Applications
USB 2.0
IEEE 1394 (Firewire)
LVDS
High Speed Data Lines
Suppression for Common Mode Noise
LAN
Electrical properties
Order Code Impedance @ 100 MHz
(Ω)
Rated Voltage
(V)
DCR
(mΩ)
IR
(mA)
Suitable for
744 230 220 22
50
80 800 High Speed Data Lines
744 230 450 45 110 650 High Speed Data Lines
744 230 900 90 145 550 USB 2.0
744 230 121 120 175 450 IEEE 1394 / Firewire 400 Mbps
744 230 181 180 210 400 IEEE 1394 / Firewire 400 Mbps
744 230 251 250 280 350 High Speed Data Lines
Dimensions (in mm)
Schematic Land pattern (in mm)
1,60 ±0,1
1,10 ±0,1
0,85 ±0,1
0,25 ref.
0,25 ref.
12
43
21
34
0,25
0,25
0,75
0,85 0,60 0,85
Size 0603
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WE-CNSW
SMD Common Mode Line Filter
Size 0603
744 230 220
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 230 121
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 230 450
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 230 181
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 230 900
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 230 251
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
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WE-CNSW HF
SMD Common Mode Line Filter
Size 0805
Characteristics
Current compensated data line filter
High common mode noise suppression at high
frequencies
Suitable for high data rates
Small influence on high speed signals through
winding symmetry
Recommended solder profile: Reflow
Operating temperature: –40 ºC to +125 ºC
Applications
USB 3.0
USB 2.0
HDMI
LVDS
High-Speed data lines
IEEE 1394 (Firewire)
Electrical properties
Order Code Impedance @ 100 MHz
(Ω)
Rated Voltage
(V)
DCR
(mΩ)
IR
(mA)
Suitable for
744 233 670 67
50
240 320 USB 3.0
744 233 900 90 300 280 HDMI
744 233 121 120 300 280 LVDS / USB 2.0
Dimensions (in mm)
Schematic Land pattern (in mm)
43
2
1
1,2 ±0,2
2,0,2
1,2 ±0,2
0,50 ref.
0,45 ref.
21
34
0,90 0,80 0,90
0,4
0,4
0,4
744 233 670
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 233 900
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
744 233 121
1
10
100
1000
110 100 1000
Frequenz/frequency (MHz)
Impedanz/impedance ()
Z (com) Z (dif)
High frequency
version
Suitable for
USB 3.0 applications
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WE-TPC
SMD Shielded Tiny Power Inductor
Size 2828
Characteristics
Flat power inductor 2.8 x 2.8 x 2.8 mm
High current capability up to 4.7 A
Magnetically shielded which results in a low leakage
field
Recommended solder profile: Reflow
Operating temperature: –40 °C to +125 °C
Applications
Portable power like PDA, digital camera, PCMCIA
cards and displays
DC/DC converter
Embedded PC
Mobile data gathering, telemetric
Dimensions (in mm)
Land pattern (in mm)
Electrical properties
Order Code Inductance
(µH)
Tolerance
(%)
DCR typ.
(mΩ)
DCR max.
(mΩ)
IR
(A)
Isat
(A)
Qty.
744 025 000 47 0.47 ±25 19.0 23.0 3.30 4.70
550
744 025 000 72 0.72 ±25 23.5 27.5 3.00 4.00
744 025 001 1.20 ±20 36.0 42.0 2.60 3.00
744 025 002 2.20 ±20 57.0 66.0 1.80 2.40
744 025 003 3.30 ±20 85.0 101 1.50 1.80
744 025 004 4.70 ±20 100 120 1.35 1.70
744 025 006 6.80 ±20 142 165 1.10 1.30
744 025 100 10.0 ±20 170 190 1.00 1.10
744 025 150 15.0 ±20 356 400 0.72 0.90
744 025 220 22.0 ±20 525 575 0.50 0.75
IR referring to 40 K self-heating above ambient temperature
Isat referring to inductance loss of 35% typ.
Inductance vs. Current
2,85 ±0,25
2,85 ±0,25
2,80 ±0,2
0,975 typ.
0,90 typ.
0,975 typ.
3,2
1,01,2
1,0
1
5
25
0.04
0.2
1
5
25
0.00.5 1.01.5 2.02.5 3.03.5 4.04.5 5.05.5 6.0
Induktivität/inductance (uH)
Strom/current (A)
744 025 000 47
744 025 000 72
744 025 001
744 025 002
744 025 003
744 025 004
744 025 006
744 025 100
744 025 150
744 025 220
Small
package size! Extremely high
saturation current!
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WE-TDC
SMD Coupled Inductor
Size 8018
Characteristics
Core material: NiZn
Low profile
Magnetical shielded which results in a low leakage
field
8x8 mm case
1:1 transformer
Low self-losses
High self resonance frequency
Coupled inductor with two identical windings
Recommended solder profile: Reflow
Operating temperature: –40 °C up to +125 °C
Applications
Non-isolated flyback converter
Buck or Boost with AUX winding
BUCK-BOOST, SEPIC, ZETA & CUK Converter
Switching regulators with secondary unregulated
output voltages
Electrical properties
Order Code Inductance
(µH)
DCR typ.
(mΩ)
DCR max.
(mΩ)
IR max.
(A)
Isat typ.
(A)
SRF
(MHz)
Qty.
744 894 300 033 0.33 11.1 15.0 4.00 9.00 280
550
744 894 300 068 0.68 16.3 21.0 3.30 6.50 190
744 894 300 10 1.00 22.2 28.0 2.85 5.10 136
744 894 300 22 2.20 49.5 58.0 1.90 3.50 85
744 894 300 27 2.70 69.5 80.5 1.85 3.00 65
744 894 300 39 3.90 82.0 94.0 1.60 2.55 60
744 894 300 56 5.60 114 131 1.45 2.20 50
744 894 300 68 6.80 128 146 1.25 2.00 46
744 894 301 00 10.0 190 215 1.00 1.65 35
744 894 301 20 12.0 202 227 0.95 1.55 33
744 894 301 50 15.0 275 308 0.85 1.25 29
744 894 301 80 18.0 345 380 0.80 1.20 27
744 894 302 20 22.0 435 480 0.70 1.10 17
IR 40 K over ambient temperature when both windings in series are energized by rated current mentioned.
Isat inductance drop of 10% typ when energizing one winding by Isat mentioned.
Dimensions (in mm)
Land pattern (in mm)
Schematic
Inductance vs. Current
8,0,3
8,0 ±0,3 1,8 ±0,3
3,2 typ.
1
3
24
1,0 typ.
2x 6,24x 1,4
4x 3,6
23
41
0
5
10
15
20
25
10 10.1
Strom/current (A)
Induktivität/inductance (µH)
744 894 300 033
744 894 300 068
744 894 300 10
744 894 300 22
744 894 300 27
744 894 300 39
744 894 300 56
744 894 300 68
744 894 301 00
744 894 301 20
744 894 301 50
744 894 301 80
744 894 302 20
Height 1.8 mm and
currents up to 14 A
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WE-TDC
SMD Coupled Inductor
Size 8038
Electrical properties
Order Code Inductance
(µH)
DCR typ.
(mΩ)
DCR max.
(mΩ)
IR max.
(A)
Isat typ.
(A)
SRF
(MHz)
Qty.
744 894 400 039 0.39 11.6 14.5 4.50 14.0 210
350
744 894 400 082 0.82 15.9 20.0 3.70 9.60 140
744 894 400 12 1.20 20.2 26.0 3.05 7.50 90
744 894 400 18 1.80 25.5 31.0 2.85 5.80 60
744 894 400 47 4.70 54.5 64.0 1.85 4.20 30
744 894 400 68 6.80 88.0 100 1.45 3.20 25
744 894 401 00 10.0 113 128 1.35 2.60 23
744 894 401 20 12.0 117 132 1.30 2.30 20
744 894 401 50 15.0 165 185 1.10 2.20 17
744 894 401 80 18.0 179 201 1.05 1.90 15
744 894 402 20 22.0 203 228 1.00 1.80 14
IR of 40 K over ambient temperature when both windings in series are energized by rated current mentioned.
Isat inductance drop of 10% typ when energizing one winding by Isat mentioned.
Dimensions (in mm)
Land pattern (in mm)Schematic
Inductance vs. Current
8,0,3
8,0 ±0,3 3,8 ±0,3
3,2 typ.
1
3
24
1,0 typ.
2x 6,24x 1,4
4x 3,6
23
41
0
5
10
15
20
25
1010.1
Strom/current (A)
Induktivität/inductance (µH)
744 894 400 039
744 894 400 082
744 894 400 12
744 894 400 18
744 894 400 47
744 894 400 68
744 894 401 00
744 894 401 20
744 894 401 50
744 894 401 80
744 894 402 20
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WE-PD2 HV
High Voltage SMD Power Inductor
Size 7850 / Size 1054
Characteristics
Unshielded construction
Designed for 400 VDC
Recommended solder profile: Reflow
Operating temperature: –40 °C to +125 °C
Applications
Non-isolated buck or buck-boost converter like
Power Integrations LinkSwitch-TN
Constant current LED driver
Utility metering
Filter for power supply
Electrical properties: Size 7850
Order Code Inductance
(µH)
DCR typ.
(Ω)
DCR max.
(Ω)
IR
(A)
Isat
(A)
Qty.
768 775 30 1000 2.78 3.3 0.30 0.30
500768 775 312 1200 3.77 4.5 0.28 0.28
768 775 322 2200 6.00 7.2 0.15 0.20
IR referring to 40 K self-heating above ambient temperature
Isat referring to inductance loss of 10% typ.
Note
With effect 7th January 2010 the so-called standby regulation came into force within the European Union. Reducing the power consumption until 2020 by 75% in the standby mode is the aim of this
regulation. Due to that regulation electrical home appliance, communication and office equipment aren’t allowed to spend more than 2 Watt in the standby mode. For devices which are simply
reactivated only 1 Watt is allowed. From 2014 on the values will reduce further on.
For those standby applications SMPS are needed that are compact and efficient but don’t exceed the requested consumption either. The high voltage version of the power inductors WE-PD2 is
especially designed for such applications. A special layout combined with a complex test setup guarantees the requested withstand voltage of the rectified supply voltage of 400 VDC.
Dimensions (in mm)
Land pattern (in mm)
Electrical properties: Size 1054
Order Code Inductance
(µH)
DCR typ.
(Ω)
DCR max.
(Ω)
IR
(A)
Isat
(A)
Qty.
768 776 30 1000 2.20 2.6 0.38 0.38
500768 776 312 1200 2.48 3.0 0.35 0.35
768 776 322 2200 4.40 5.3 0.18 0.26
IR referring to 40 K self-heating above ambient temperature
Isat referring to inductance loss of 10% typ.
Dimensions (in mm)
Land pattern (in mm)
7,0 ±0,3
5,0 ±0,5
7,8 ±0,3
3 ref.
7,5 ref.
3,0 ref.
2,0 ref.
3,0 ref.
8,0 ref.
9,0 ±0,4
5,4 ±0,5
10,0 ±0,4
3,5ref.
9,5 ref.
3,75 ref.
2,5 ref.
3,75 ref.
10,0 ref.
Inductors for non-isolated SMPS
(400 VDC)
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WE-TI HV
Radial Leaded Wire Wound Inductor
Size L
Characteristics
Radial through-hole inductor
High saturation core material
Unshielded construction
Designed for 400 VDC
Applications
Non-isolated buck or buck-boost converter like
Power Integrations LinkSwitch-TN
Constant current LED driver
Utility metering
Filter for power supply
Dimensions (in mm)
Standard
Electrical properties
Order Code Inductance
(µH)
DCR max.
(Ω)
IR
(A)
Isat
(A)
Layout
768 772 102 1000 2.08 0.50 0.55
Standard
768 772 122 1200 2.64 0.40 0.45
768 772 152 1500 3.00 0.38 0.40
768 772 182 1800 3.30 0.35 0.38
768 772 222 2200 4.73 0.32 0.32
Note
Those kinds of inductors are often used in low cost and component count buck converter solutions.
Using a switching power supply is more efficient than using passive droppers, independent of comparing a
capacitive or resistive solution. A universal input voltage range can be build, too.
Schematic example*
* Source: Power Integrations LinkSwitch-TN
5,0 ±0,5
3,0 max.
9,5 ±0,5
5,0 ±1,0
7,8 ±0,5
0,7 ref.
FB BP
SD
LinkSwitch-TN
+ +
Wide Range
HV DC Input
DC
Output
Inductors for non-isolated SMPS
(400 VDC)
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WE-TI
Radial Leaded Wire Wound Inductor
Size LM
Characteristics
Low profile <8.0 mm
Rated current up to 7 A
Saturation current up to 9 A
Heatshrink Tube for winding protection
Applications
Signal filtering
Power supply filter
EMI filter
Switching regulators with low operating voltages
Electrical properties
Order Code L
(µH)
Tolerance
(%)
DCR max.
(Ω)
IR
(A)
Isat
(A)
Type
744 732 015 1.5 ±20 0.010 7.00 9.00
Shrink Tube
744 732 100 10 ±20 0.033 4.00 4.00
744 732 470 47 ±10 0.14 1.80 1.90
744 732 121 120 ±10 0.38 1.00 1.10
744 732 221 220 ±10 0.70 0.75 1.20
744 732 331 330 ±10 1.20 0.60 1.00
744 732 471 470 ±10 1.70 0.45 0.90
744 732 681 680 ±10 2.20 0.42 0.75
744 732 102 1000 ±10 3.40 0.33 0.60
744 732 152 1500 ±10 4.70 0.29 0.50
Dimensions (in mm)
Inductance vs. Frequency Inductance vs. Current
5,0,5
A
A
9,5 max.
8,0 max.5,0 ±0,5
1,0 max.
0,65 ref.
sectional drawing A-A
0
1
10
100
1000
10000
0.01 0.1 110 100 1000
Frequenz/frequency (MHz)
Induktivität/inductance (µH)
744 732 102
744 732 121
744 732 100
744 732 015
0.1
1
10
100
1000
10000
Strom/current (A)
Induktivität/inductance (µH)
0.1 110 100
744 732 102
744 732 121
744 732 100
744 732 015
High rated and saturation
currents in small size
17
www.we-online.com11/10
WE-HCF
SMD High Current Inductor
Size 2013
Characteristics
Very low core losses (MnZn)
Recommended solder profile: Reflow
Operating temperature: –40 °C to +125 °C
Applications
Storage inductor for high efficiency DC/DC
converters
Single and polyphase buck converters
Filter for audio applications
Optimized for high current boost applications
Electrical properties
Order Code L0 ±15%
(µH)
LN
(µH)
DCR ±10%
(mΩ)
IR
(A)
Isat
(A)
Core Material Qty.
744 363 150 0 15 14.70 8.70 14 21.0
MnZn 100
744 363 220 0 22 21.10 10.65 12 15.0
744 363 330 0 33 19.40 11.40 12 11.0
744 363 470 0 47 12.45 12.20 12 8.5
IR referring to 50 K self-heating above ambient temperature
Isat referring to inductance loss of 30%
Dimensions (in mm)
Land pattern (in mm)Schematic
Pad 3 only for mechanical
reasons – no center top function
Inductance vs. Current
21,8 max.
9,0 ±0,5
14,5 max.
2,5 ±0,2
21,5 max. 3,5 ±1,0
2,0 ref. 3,0 ±0,5
2,5 ±0,2
12
3
0
5
10
15
20
25
30
35
40
45
50
1010
Induktivität/inductance (µH)
Strom/current (A)
744 363 150 0
744 363 220 0
744 363 330 0
744 363 470 0
Extended inductance
values
18
www.we-online.com 11/10
WE-HCM
SMD High Current Flat Wire Inductor
Size 1190 / Size 1390
Characteristics
Low core losses (MnZn)
High saturation current up to 81 A
DCR tolerance ±7%
Recommended solder profile: Reflow
Operating temperature: –40 °C to +125 °C
Applications
Multiphase switching regulator
CPU/Ram power supply
Power PC
Input/output filter
Electrical properties: Size 1190
Order Code Lo ±20%
(nH)
DCR ±7%
(mΩ)
IR typ.
(A)
Isat typ.
(A)
Core Material Qty.
744 301 025 250
0.32 40
65
MnZn 300744 301 033 330 46
744 301 047 470 35
IR referring to 50 K self-heating above ambient temperature
Isat referring to inductance loss of 20%
Electrical properties: Size 1390
Order Code Lo ±20%
(nH)
DCR ±7%
(mΩ)
IR typ.
(A)
Isat typ.
(A)
Core Material Qty.
744 309 025 250
0.165 50
81.0
MnZn 300744 309 033 330 62.5
744 309 047 470 40.5
IR referring to 50 K self-heating above ambient temperature
Isat referring to inductance loss of 20%
Dimensions (in mm)
Dimensions (in mm)
Land pattern (in mm)
Land pattern (in mm)
11,0 ±0,5
10,5 ±0,5
8,9 ±0,5
2,2 ±0,2
3,2 ±0,5
11,3 ±0,5
9,0 ±0,5
13,0 ±0,5
12,5 ±0,5
4,5 ±0,2
1,8 ±0,3
14,0 ±0,5
2,7
4,2
12,1
5
10
15
Multiphase switching
regulator
Tight DCR for current
sense applications
19
www.we-online.com11/10
WE-RJ45 LAN
RJ45 LAN Transformer & USB 3.0
Characteristics
RJ45 Connector with integrated transformer &
2x USB 3.0 & LEDs
Extended temperature range: –40 °C bis +85 °C
10/100/1000BaseT
Applications
Ethernet, 1 Gigabit Ethernet
Embedded PC
Hubs, Router, Switch
USB 3.0
Dimensions (in mm)
Land pattern (in mm)Schematic
Typical electrical characteristics
Order Code 749 711 061 6
Inductance 350 µH 100 kH, 100 mV, 8 mADC
Dielectric Rating 1.5 kVRMS 1 Minute
Turns Ratio 1:1 3%
Insertion Loss –1.0 dB max. 1 MHz – 100 MHz
Return Loss
–16 dB min. 1 MHz – 30 MHz
–13.5 dB min. 30 MHz – 60 MHz
–12 dB min. 60 MHz – 80 MHz
–10 dB min. 80 MHz – 100 MHz
Crosstalk –30 dB min. 1 MHz – 100 MHz
Common Mode Rejection –30 dB min. 1 MHz – 100 MHz
7,85
33,00 ±0,38
19,50 ±0,38 32,00 ±0,383,00 ±0,5
15,60 ref.
linke / left
LED
rechte / right
LED
2,00
4,00
7,00
8,00
13,14
19,50
1,27
11,43
2,54
13,80
4,43
12,78 6,10
5,68 2,54
2,54
2,00
3,50
5,20
6,70
8x Ø2,30 ± 0,08
18x Ø0,70 ± 0,05
10x Ø0,89 ± 0,08
4x Ø1,03 ± 0,08
12
11
Yellow
J7
J4
J8
J1
J5
J2
0.001 µF/ 2 kV
J3
J6
75 Ω
75
75 Ω
8
1
9
6
7
2
10
3
4
5
14
Green
13
Orange
4x0,1µ
F
75 Ω
2x USB 3.0 Connector
20
www.we-online.com 11/10
WE-FB
Flyback Transformer
LT3573 / LT3574 / LT3575 / LT3748
Characteristics
Standard transformers for various output voltages/
currents available
Easy design of custom power supply due to standard
circuit and change of transformers and two
components for feedback loop
Isolation voltage up to 2.5 kV
Applications
Isolated power design
Sensor interfaces
Isolated telecom converters
High power “Automotive”* supplies
Power over Ethernet
Assembled demo boards with option to change included transformer
Order Code** LT IC Demoboard Power (W) Transformer assembled on board Transformer 2*** Transformer 3***
Order Code Ouput Voltage Order Code Ouput Voltage Order Code Ouput Voltage
750 105 LT3574 DC1636A 2.5 750 370 041 5 V / 0.35 A 750 311 304 3.3 V / 0.7 A 750 310 799 12 V / 0.15 A
750 103 LT3573 DC1228A 7 750 370 047 5 V / 1 A
750 106 LT3575 DC1643A 10 750 311 675 5 V / 1.4 A 750 310 564 12 V / 0.5 A 750 310 559 3.3 V / 1.5 A
750 107 LT3748 DC1557A 12 750 311 439 12 V / 1 A 750 310 688 3.3 V / 4 A 750 311 689 5 V / 3 A
750 108 LT3748 DC1694A 30 750 311 607 12 V / 2.5 A 750 311 599 15 V / 2 A 750 311 608 24 V / 1.3 A
** all datasheets are available on www.we-online.com
*** different set-ups possible with additional transformers which are included in the design kits
* not AECQ 200 tested & approved
More design support notes to
download on
www.we-online.com/LT
21
www.we-online.com11/10
WE-FB
Flyback Transformer
LT3573 / LT3574 / LT3575 / LT3748
Electrical properties* (sorted by power)
Reference to Linear Technology Specification All possible OFF THE SHELF transformer
up to 3 W up to 7 W up to 14 W external
MOSFET WE Order Code Power
(W) Core Uin
(V)
Uout
(V)
Iout
(A)
Turns ratio
NP:NS
Lpri
(µH)
Leakage
(nH)
Isolation
(V)
Isat
(A)
LT3748 750 311 691 < 10 EP5 8–15 150 0.001 5:1 60 1000 1500 0.25
LT3573 750 310 799 < 10 EP7 18–30 15.0 0.4 1:1 25 125 1500 2.0
LT3574 LT3573 750 370 040 < 10 EP7 18–30 5.0 1.0 3:1 30 200 1500 1.7
LT3574 LT3573 750 370 041 < 10 EP7 18–30 5.0 1.0 3:1 50 450 1500 1.6
LT3574 LT3573 750 370 047 < 10 EP7 18–30 5.0 1.0 3:1 30 150 1500 1.7
LT3573 750 370 058 < 10 EP7 18–30 15.0 0.4 1:1 25 185 1500 2.0
LT3573 750 370 059 < 10 EP7 18–30 5.0 1.0 3:1 50 500 1500 1.6
LT3748 750 311 692 < 10 EP7 8–15 ±150 0.001 5:1 80 2000 1500 1.0
LT3573 750 370 042 < 10 ER9.5 5 5.0 0.2 1:1 15 250 1500 1.5
LT3573 LT3575 750 310 471 < 10 EP10 9–30 5.0 1.0 3:1 25 430 1500 2.6
LT3573 LT3575 750 310 559 < 10 EP10 12–30 3.3 1.3 4:1 24 500 1500 2.1
LT3573 LT3575 750 310 562 < 10 EP10 18–30 12.0 0.5 2:1 25 500 1500 2.8
LT3573 LT3575 750 310 563 < 10 EP10 18–30 12.0 0.4 2:1 25 500 1500 2.8
LT3574 LT3573 LT3575 750 310 564 < 10 EP10 12–30 ±5.0 1.0 3:1 63 600 1500
LT3748 750 311 486 < 10 EP13 12 ±200 0.002 1:10 100 4500 1500 2.0
LT3748 750 811 048 < 10 EE16 100–400 30 0.30 4.387:1 1500 14000 IEC61558-2-12 0.65
LT3748 750 311 889 < 10 EFD25 28 250 0.1 1:5 37 160 500 2.95
LT3575 750 311 303 10–15 EP10 9–30 5.0 3.0 5:1 50 800 1500 2.25
LT3574 LT3575 750 311 304 10–15 EP10 9–30 5.0 3.0 4:1 50 850 1500 2.5
LT3575 750 311 305 10–15 EP10 9–30 12.0 1.0 3:1 50 1200 1500 2.8
LT3575 750 311 306 10–15 EP10 9–30 12.0 1.0 3:1 100 1750 1500 1.65
LT3574 LT3575 750 311 307 10–15 EP10 9–30 24.0 0.5 2:1 100 2000 1500 1.9
LT3574 LT3575 750 311 308 10–15 EP10 9–30 24.0 0.5 1:1 100 2100 1500 2.1
LT3573 LT3575 LT3748 750 311 675 10–15 EP10 9–30 5.0 2.0 3:1 25.0 130 1500 2.5
LT3575 LT3748 750 311 567 10–15 EP10 10–40 5.0 3.0 2:1 7.0 800 1500 11.2
LT3748 750 311 424 10–15 EP13 36 12.0 1.0 3:1 100 900 1500 2.4
LT3748 750 311 456 10–15 EP13 36 12.0 1.0 3:1 100 900 2500 2.4
LT3575 LT3748 750 311 458 10–15 EP13 36 3.3 4.0 3:1 15.0 175 2500 5.0
LT3575 LT3748 750 311 564 10–15 EP13 10–40 5.0 3.0 3:1 9.07 120 1500 8.0
LT3575 LT3748 750 311 624 10–15 EP13 10–40 15.0 1.0 1.5:1 9.0 180 1500 >8.0
LT3575 LT3748 750 311 625 10–15 EP13 10–40 3.3 4.0 4:1 9.0 350 1500 >8.0
LT3575 LT3748 750 311 856 10–15 EP13 16–24 4 x 15 4x 0.2 1:4:4:4:4 3.8 250 1000 >12
LT3575 750 311 342 10–15 EFD20 36 5.0 3.0 2:1 15.0 650 1500 5.8
LT3748 750 311 911 10–15 EE20 16–24 4 x 15 4 x 0.2 1:3:3:3:3 6.8 100 1500
LT3575 LT3748 750 311 422 15–25 EP13 36 5.0 4.0 5:1 50.0 600 1500 3.3
LT3575 LT3748 750 311 423 15–25 EP13 36 5.0 4.0 2:1 50.0 600 1500 3.85
LT3575 LT3748 750 311 439 15–25 EP13 37–57 12.0 2.1 2:1 37.0 750 1500 2.8
LT3575 LT3748 750 311 457 15–25 EP13 36 5.0 4.0 4:1 50.0 600 2500 3.7
LT3575 LT3748 750 311 688 15–25 EP13 36 5.0 4.0 5:1 50.0 600 1500 3.1
LT3575 LT3748 750 311 689 15–25 EP13 36 5.0 4.0 4:1 50.0 600 2500 3.7
LT3748 750 311 385 25–35 EP13 18–60 13.0 2.3 1.25:1 15.0 100 1500 6.75
LT3748 750 310 617 25–35 EFD20 9–36 12.0 3.0 1:1.16 4.5 150 1500
LT3748 750 311 597 25–35 EFD20 20–48 5.0 6.0 3:1 6.0 300 1500 9.5
LT3748 750 311 598 25–35 EFD20 20–48 12.0 2.5 2:1 8.3 300 1500 9.0
LT3748 750 311 599 25–35 EFD20 20–48 15.0 2.0 3:2 8.0 500 1500 12.0
LT3748 750 311 600 25–35 EFD20 30–75 15.0 2.0 2:1 12.0 500 1500 11.0
LT3748 750 311 604 25–35 EFD20 20–48 24.0 1.3 1:1 8.0 300 1500 9.5
LT3748 750 311 605 25–35 EFD20 30–75 5.0 6.0 7:2 15.0 500 1500 9.5
LT3748 750 311 607 25–35 EFD20 30–75 12.0 2.5 5:2 14.0 500 1500 9.5
LT3748 750 311 608 25–35 EFD20 30–75 24.0 1.3 3:2 12.0 500 1500 9.0
LT3748 750 311 797 35–45 EFD20 18–100 12 2.5 2:5:1 14.0 210 4000 11.5
LT3748 750 311 589 35–45 EFD25 20–48 5.0 9.0 3:1 6.0 200 1500 18.0
LT3748 750 311 590 35–45 EFD25 20–48 12.0 3.8 2:1 8.0 200 1500 18.0
LT3748 750 311 591 35–45 EFD25 20–48 15.0 3.0 3:2 8.0 200 1500 20.0
LT3748 750 311 592 35–45 EFD25 20–48 24.0 1.9 1:1 8.0 200 1500 18.0
LT3748 750 311 593 35–45 EFD25 30–75 5.0 9.0 7:2 15.0 300 1500 18.0
LT3748 750 311 594 35–45 EFD25 30–75 12.0 3.8 5:2 15.0 400 1500 18.0
LT3748 750 311 595 35–45 EFD25 30–75 15.0 3.0 2:1 12.0 200 1500 16.0
LT3748 750 311 596 35–45 EFD25 30–75 24.0 1.9 3:2 12.0 200 1500 18.0
LT3748 750 311 771 35–45 EFD25 100–400 15.0 3.0 6:1 500 5000 2500 2.5
LT3748 750 310 988 35–45 EFD25 12 48.0 0.85 1:4.42 14.0 200 1500 >15
LT3748 750 311 783 >45 EFD25 19–70 24 2.5 1.5:1 20 170 1500 16
* Dependant on application, the transformer specification can differ slightly to data sheet
www.we-online.com
WE Inductor Selector
Inductor selector software for SMPS designs:
Selection of power inductors for SMPS
For Buck, Boost and Sepic converters
Intuitive menu
Offline processable
Manual calculation alternatively
Free of charge
WE-FLEX Designer
The WE-FLEX Designer calculates suitable transformers for flyback applications.
Free of charge.
Application Guide
Block diagrams of important applications and interfaces such as:
DC/DC Converter
AC/DC Converter
CAN
USB
VGA
IP Phone
LCD Monitor
WLAN
RS 232/485
Current Compensated
Power Line Choke
WE-FC
1
Current Compensated
Power Inductor
WE-LF
Current Compensated
Choke
WE-CMB
Offline Transformer
WE-UNIT
Varistors
WE-VD
AC / DC Converter
SMD Power Inductor
WE-PDx Series
3
Axial Ferrite Bead
Common Mode
WE-SL5
SMD Tiny Power
Inductor
WE-TPC
2 4
Power Line Data Line RFElectromechanical
5
EMI
Suppression
Transformer
Feedback /
Sensor
Output
Filter
Switching
Circuit
AC GND
Out
5V - 48V
1
3
5
5
2
Surge
Suppression
4
Connectors
WERI
www.we-online.com
SMD Varistors
WE-VS
6
CAN-Interface
more than you expect
Chip Bead Ferrite
WE-CBF
1
ESD Suppressors
WE-VE
3
SMD Common Mode
Line Filter
WE-SLM
WE-SL2
2 4
WERI
WR-DSUB
VGA
Chip Bead Ferrite
WE-CBF
3
Snap Ferrite
STAR-TEC
2
SMD Common Mode
Choke
WE-CNSW
WE-SL2
1
Power Line
Data Line
Electromechanical
Power Line
Data Line
Electromechanical
Power Line
Data Line
Electromechanical
USB 2.0
3
CAN-Bus
µ-Controller CAN-Buffer
1 1
D_GND CAN_GND
TxCAN_HB
RxCAN_LB
2
3
Connector
VGA: Buffer Output Video Filter
+
-
+ 5 V
- 5 V
820 Ω 820 Ω
75Ω 1
+
-
+ 5 V
- 5 V
820 Ω 820 Ω
75Ω 1
+
-
+ 5 V
- 5 V
820 Ω 820 Ω
75Ω 1
47pF 47pF 180 pF
11
Input Filter
47pF 47pF 100 pF
11
Input Filter
Gate 74 AHCT04
R
G
B
HS
VS
R
G
B
HS
VS
IN OUT
3
3
CFA: Power Supply
V+
V-
+5 V
- 5 V
IN
Video Splitter
V+ +12 V
100 nF 220 nF
2
47 µF
V- +12 V
100 nF 220 nF
2
47 µF
IN
DC/DC
SMD Power Inductor
WE-PD Series
SMD Power Inductor
WE-PD2
WE-GF
2
Chip Bead Ferrite
WE-CBF
1 3
Connectors
WR-COM
WR-DSUB
4
VCC / VCC--Bus
DA
DB
1
1
3
3
D+
D-
VCC--USB
GND-USB
5
5
5
6
2
3
VDD
VDA
USB-Controller
5
4
4
5
WERI
WR-COM
ESD Suppressors
WE-VEA
WE-VE
4
Product Mindmap
Overview of all components
related to applications.
All products are linked to
the online catalogue, which
gives you quick access to
all relevant product details
and specifications.
www.we-online.de
Ethernet
diskret Kommunikation
RS232/
RS485 Video
DISPLAY, FLEXIBLE
LEITERPLATTE
HAUPTSTROM-
VERSORGUNG
PLATINE / PLATINE
VERBINDUNG
KABEL / PLATINE
VERBINDUNG
MiniPower
MicroPower
WR-MPC Series
Klemmleisten
WR-TBL
WESwitch WS-IC
Drehcodierschalter
SCHNITTSTELLEN
Einzelader/
Crimp
Flachband-
kabel / IDC
MiniModule
WR-MM
starke Vibrationen
Wannenstiftleiste
Pfostenstecker
WR-BHD
WESwitch WS-RA
Wire To Board WR-WTB
RJ45 WR-COM HDMI,DVI, WR-COM,
Dip Schalter
Drehcodierschalter
USBFireWire
D-SUB WR-DSUB Firewire IEEE 1394
WR-COM
USB A / B,
Mini USB / Micro USB,
WR-COM
WEASSEMBLY
Stift- und
Buchsenleisten
WR-PHD
MiniModule
WR-MM
FPC Stecker WR-FPC
Stift- und
Buchsenleisten WR-PHD
Dip Schalter
Kurzhubtaster
FPC Stecker WR-FPC
WESwitch WS-IC
Drehcodierschalter
USB, MiniUSB, Modular Jack,
MiniDIN WR-COM, D-SUB
WR-DSUB, Dip Schalter
Drehcodierschalter
Elektromechanische Bauteile
auf einen Blick
Board to Board
Steckverbinder
WR-BTB
WESwitch WS-RA
www.we-online.de
Passive Bauteile
auf einen Blick
Klappferrit /
Ferritringe / -hülsen
ja galvanisch getrennt
RS232/RS485 USB / FirewireCAN
ohne
Stecker
www.we-online.de
im Stecker
ASI ESD ProtectionEthernet
nein
selbst-
entwickelt
Varistoren:
THT: WE-VD
SMD: WE-VS
Surge
Protection
Befilterung
Common Mode:
WE-CMB, WE-LF,
WE-LF SMD, WE-FC
Differential Mode:
SMD: WE-UKW
THT: WE-SD, WE-TI,
WE-FI, WE-UKW
SchaltreglerSperrwandler
Speicherdrossel:
SMD: WE-TPC, WE-HCI,
WE-PD, WE-PDF,
WE-PD2, WE-HCF
THT: WE-SI, WE-TI,
WE-SD
Befilterung
SPANNUNGSVERTEILUNG
Antenne
Chipantennen
WE-MCA
Filter
Filter WE-LPF,
WE-BPF, WE-BAL
Anpassung
WE-KI, WE-MK
Bluetooth / WLAN / GPS / ISM 868
FUNK / HF
GEHÄUSE
EMV
Cu-/Alu-
Abschirmbänder
Leitende
Textildichtungen
RJ45 mit
LAN-Übertrager
SMD / THT mit /
ohne LED´s
Übertrager
WE-LAN
SCHNITTSTELLEN
KABEL-
ENTSTÖRUNG
Entstörung
Ferritringe / -hülsen
Ferritringe / -hülsen
Speicherdrossel:
Speicherdrossel:
Speicherdrossel:
Abschirm-
gehäuse
WE-SHC
Übertrager
WE-FLEX,
WE-FLEX+,
WE-FB
Übertrager
Übertrager
HAUPTSTROMVERSORGUNG
Power Factor
Correction
WE-ASI Drossel EMI Filter WE-CBF Stromkompen-
sierte Drossel
WE-SL Serie
ESD Suppressor
WE-VE, WE-VEA
TVS Diode WE-TVS
Stromkompensierte
Drossel WE-CNSW
PFC Drossel
WE-PFC
Übertrager
WE-UNIT
Common Mode:
SMD: WE-SL Series,
WE-CMS
THT: WE-MLS
Differential Mode:
SMD: WE-CBF,
WE-SUKW, WE-PF,
WE-PD2, WE-HCI
THT: WE-UKW,
WE-TI, WE-SD
Product Finders
With one click you‘ll find the product you are looking for.
Product
Order Code
Shielding
Core
WE-TPC 2811
744 028 x
yes
NiZn
WE-TPC 2813
744 029 x
yes
NiZn
WE-TPC 3510
744 030 x
yes
NiZn
WE-TPC 3816
744 031 x
yes
NiZn
WE-TPC 4818
744 042 x
yes
NiZn
WE-TPC 4828
744 043 x
yes
NiZn
Base [mm]
Height [mm] 2.8x2.8
1.1
2.8x2.8
1.35
3.5x3.3
0.95
3.8x3.8
1.65
4.8x4.8
1.8
4.8x4.8
2.8
IR Isat DCR IR Isat DCR IR Isat DCR IR Isat DCR IR Isat DCR IR Isat DCR
0.11 H 4.8 4.8 0.013 4.8 5.5 0.013
0.18 H
0.22 H
0.27 H
0.33 H 3.0 2.4 0.027 3.2 2.7 0.023 4.0 6.0 0.008
0.47 H 2.5 2.0 0.036 2.8 2.2 0.029 3.8 5.0 0.010
0.56 H
0.75 H
0.82 H 2.2 1.6 0.053 2.6 1.8 0.036 3.5 3.7 0.014
1.0 H 1.9 1.5 0.065 2.5 1.6 0.045 2.6 0.020 0.028
1.2 H 1.00 1.10 0.095 3.1 2.80 0.017
1.5 H 1.75 1.55 0.040
1.8 H 2.4 0.040 0.040 2.7 2.45 0.020
2.2 H 1.5 1.0 0.125 1.7 1.15 0.088 0.74 0.80 0.140 2.5 2.35 0.023
2.5 H 1.45 1.25 0.050
2.7 H 2.2 0.047 0.047 2.35 1.95 0.027
3.0 H
3.3 H 1.10 0.85 0.185 1.4 0.95 0.110 0.65 0.72 0.198 1.38 1.10 0.066 1.8 0.05 0.055 2.15 1.80 0.030
3.5 H
3.9 H 1.82 1.70 0.065 1.72 1.65 0.047
4.7 H 0.90 0.70 0.265 1.2 0.80 0.170 0.48 0.50 0.252 1.20 0.90 0.090 1.72 1.65 0.070 1.55 1.70 0.052
5.0 H
5.6 H 1.64 1.35 0.085 1.38 1.30 0.080
6.2 H
6.8 H 0.83 0.55 0.325 0.95 0.65 0.250 0.40 0.43 0.40 0.85 0.75 0.135 1.50 1.25 0.095 1.30 1.25 0.080
7.6 H
8.2 H 1.40 1.10 0.101 1.25 1.05 0.085
9.0 H
10 H 0.63 0.45 0.550 0.75 0.50 0.390 0.28 0.35 0.58 0.74 0.56 0.185 1.30 1.00 0.120 1.19 1.00 0.095
12 H 1.15 0.95 0.140 1.12 0.95 0.108
15 H 0.62 0.45 0.255 1.03 0.75 0.175 1.03 0.75 0.124
18 H 0.92 0.70 0.230 0.98 0.70 0.138
22 H 0.40 0.27 1.22 0.48 0.30 0.900 0.22 0.25 1.39 0.51 0.36 0.410 0.88 0.60 0.255 0.925 0.70 0.155
27 H
33 H 0.42 0.32 0.635 0.73 0.50 0.382 0.820 0.55 0.195
39 H
47 H 0.30 0.20 2.145 0.39 0.25 0.94 0.750 0.50 0.25
56 H
68 H 0.630 0.40 0.34
82 H
100 H 0.25 0.18 1.93 0.40 0.30 1.060 0.510 0.29 0.52
120 H
150 H 0.420 0.22 0.77
180 H
220 H 0.34 0.20 1.15
270 H
330 H
390 H
470 H 0.240 0.125 2.31
560 H
680 H
820 H
1000 H
1500 H 0.090 0.060 6.80
more than you expect
DETAILED SPECIFICATIONS AND SAMPLES ON WWW.WE-ONLINE.COM
SMT POWER INDUCTORS CONTINUED ON NEXT PAGE
THIS IS HOW IT WORKS:
1. Select the needed inductance value
2. Go right until you meet the sufficient current rating
3. Find product and dimensions in the column header
SMT Power Inductors
This is how it works
0.25 0.18 1.93
IRIsat DCR
[A] [A] [Ω]
Chip Antenna
WE-MCA
748 891 0235 2,0dBi 10x10mm
748 891 0245 3,0dBi 9,5x2mm
748 892 0245 1,3dBi 8x4mm
748 893 0245 0,5dBi 3x2mm
748 894 0245 2,0dBi 7x2mm
748 891 0570 3,9dBi 7x2mm
1555-1595 MHz 2400-2500 MHz868-960 MHz 5150-5350 MHz
5725-5825 MHz
748 891 2455 -1,0dBi 8,5x2mm
748 891 0092 -0,7dBi 11x5mm 748 891 0157 -1,0dBi 10x3mm 748 891 0520 3,6dBi 7x2mm
748 891 2455 1,0dBi 8,5x2mm
748 891 0235 2,0dBi 10x10mm
WLAN 2400/2483 MHz
ZigBEE 2402/2480 MHz
Bluetooth 2402/2480 MHz
HomeRF 2402/2480 MHz
Balun
WE-BAL
748 421 185 50/100 0805
748 422 185 50/200 0805
748 425 185 50/50 0805
748 420 245 50/100 0805
748 422 245 50/200 0805
748 425 245 50/50 0805
748 421 245 50/100 0805
748 425 160 50/50 0805
2400-2500 MHz
748 411 245 50/100 0603
1400-1500 MHz 2400-2500 MHz 4900-5875 MHz
1500-1700 MHz 5150-5875 MHz
1700-2000 MHz 5725-5875 MHz
748 422 144 50/200 0805 748 421 370 50/100 0805
748 425 370 50/50 0805
3400-4000 MHz
748 425 539 50/50 0805
748 425 551 50/50 0805
748 421 551 50/100 0805
748 421 580 50/100 0805
Band-Pass-Filter
+ Balun
WE-BPFB
2400-2500 MHz
748 358 024 50/100 1008
748 323 024 0805
748 351 024 1008
748 351 124 1008
2400-2500 MHz
Band-Pass-Filter
WE-BPF
Low-Pass-Filter
WE-LPF
1710-1910 MHz
748 111 024 0603
748 112 024 0603
748 125 024 0805
more than you expect
One-Click-Selection Guide
Reproducible and guaranteed filter
& couple characteristics in one
SMD component
Design-In support
Customer-specific components on request
Products ex stock
Complete range of RF Filters and Baluns
at a glance
The article numbers are
linked to the website
Frequency (GHz) 0 1 2 3 4 5
6
2400-2500 MHz902-928 MHz 5150-5875 MHz
748 111 018 0603
1850-1910 MHz
LTCC-COMPONENTS
748 111 009 0805
748 111 017 0603
748 121 055 0805
ISM 433/868 MHz
ZigBEE EU 868 MHz
ZigBEE USA 915 MHz
Mobil-DB 878/880 MHz
GSM 890/914 MHz
935/959 MHz
T-DAB 1452/1479 MHz
GPS 1559/1610 MHz
DCS 1710/1880 MHz
GSM 1710/1785 MHz
1805/1880 MHz
DECT 1880/1990 MHz
PHS 1880/1930 MHz
WiMAX 3410/3594 MHz WLAN 5150/5250 MHz
5250/5350 MHz
5470/5725 MHz
5725/5825 MHz
DECT2 5725/5825 MHz
748 891 0235 2,0dBi 10x10mm
4900-5920 MHz
748 323 056 0805
5150-5875 MHz3300-3900 MHz2300-2690 MHz
4900-5875 MHz2400-2500 MHz
748 321 055 0805
748 321 255 0805
5150-5825 MHz
748 321 155 0805
748 323 055 0805
748 323 155 0805
5150-5875 MHz
WE-TCI
WE-RFH
WE-RFI
WE-MK
WE-KI
Q Value 0 10 20 30 40 50
60
RF-INDUCTORS
0201
0402
0603
0805
1008
1-22 nH
1-68 nH
1-33 nH
1.6-390 nH
2.2-1500 nH
3.3-1000 nH
1.5-470 nH
1-100 nH
470-10000 nH
470-10000 nH
1200-47000 nH
1-220 nH
1-100 nH
WE-HCM
Inductance: 0.072 ~ 0.4 μH
DCR: 0.155 ~ 0.37 mΩ
Rated current: 26 ~ 31 A
Frequency range: 0.1 ~ 3 MHz
WE-TI
Inductance: 1 ~ 22000 µH
DCR: 0.006 ~ 55 Ω
Rated current: 0.09 ~ 8.5 A
Frequency range: 0.01 ~ 90 MHz
WE-SI
Inductance: 12 ~ 1619 μH
DCR: 0.008 ~ 0.7 Ω
Rated current: 0.5 ~ 5 A
Frequency range: 0.01 ~ 0.1 MHz
STAR-RING
Impedance 1 Turn @ 25 MHz: 64 ~ 142 Ω
Impedance 1 Turn @ 100 MHz: 119 ~ 327 Ω
Cable diameter: 8 ~ 27 mm
Frequency range: 5 ~ 2000 MHz
STAR-FLAT
Impedance 1 Turn @ 25 MHz: 42 ~ 97 Ω
Impedance 1 Turn @ 100 MHz: 114 ~ 194 Ω
No. of Pins: 26 ~ 50
Frequency range: 5 ~ 2000 MHz
WE-TOF
Impedance 1 Turn @ 25 MHz: 25 ~ 110 Ω
Impedance 1 Turn @ 100 MHz: 37 ~ 200 Ω
Cable diameter: 3.0 ~ 33.4 mm
Frequency range: 1 ~ 2000 MHz
WE-AFB
Impedance 1 Turn @ 25 MHz: 44 ~ 300 Ω
Impedance 1 Turn @ 100 MHz: 70 ~ 451 Ω
Cable diameter: 3.3 ~ 17.5 mm
Frequency range: 1 ~ 2000 MHz
WE-SAFB
Impedance 1 Turn @ 25 MHz: 20 ~ 144 Ω
Impedance 1 Turn @ 100 MHz: 40 ~ 278 Ω
Cable diameter: 0.56 ~ 4 mm
Frequency range: 1 ~ 1000 MHz
Passive Components
One-Click Selection Guide
Ferrites for PCB Assembly
WE-MI
Inductance: 0.047 ~ 10 µH
DCR: 0.15 ~ 2.1 Ω
Rated current: 3 ~ 300 mA
Frequency range: 1 ~ 100 MHz
WE-SD
Inductance: 2 ~ 10 µH
DCR: 1.7 ~ 33 mΩ
Rated current: 2.5 ~ 15 A
Frequency range: 0.01 ~ 90 MHz
WE-FI
Inductance: 8.2 ~ 860 µH
DCR: 0.01 ~ 0.45 Ω
Rated current: 0.4 ~ 5 A
Frequency range: 0.01 ~ 0.3 MHz
Filter Chokes
Common Mode Chokes
Recommended by the following IC manufacturers:
WE-CBF
Impedance @ 100 MHz: 5 ~ 2700 Ω
DCR: 0.008 ~ 1.5 Ω
Rated current: 50 ~ 6000 mA
Frequency range: 6 ~ 2000 MHz
Sizes: 0402 ~ 1812
WE-CBF HF
Impedance @ 100 MHz: 180 ~ 1000 Ω
DCR: 0.25 ~ 1.8 Ω
Rated current: 50 ~ 600 mA
Frequency range: 300 ~ 3000 MHz
Sizes: 0402 ~ 0603
WE-PBF
Impedance @ 100 MHz: 42 ~ 98 Ω
DCR: 0.6 ~ 0.9 mΩ
Rated current: 6 A
Frequency range: 6 ~ 2000 MHz
WE-PF
DCR: 9 ~ 30 mΩ
Rated current: 4.5 ~ 10 A
Frequency range: 1 ~ 100 MHz
WE-CMS
Impedance @ 25 MHz: 34 Ω
Impedance @ 100 MHz: 52 Ω
Frequency range: 10 ~ 1000 MHz
WE-SUKW
Impedance @ 25 MHz: 272 ~ 425 Ω
Impedance @ 100 MHz: 416 ~ 580 Ω
Frequency range: 0.1 ~ 800 MHz
WE-UKW
Impedance @ 25 MHz: 145 ~ 920 Ω
Impedance @ 100 MHz: 230 ~ 1240 Ω
Frequency range: 0.1 ~ 500 MHz
WE-MLS
Impedance @ 25 MHz: 150 ~ 292 Ω
Impedance @ 100 MHz: 150 ~ 334 Ω
Frequency range: 10 ~ 800 MHz
WE-CMB
Inductance: 0.5 ~ 39 mH
DCR: 1.7 ~ 3000 mΩ
Rated current: 0.3 ~ 35 A
Frequency range: 0.1 ~ 50 MHz
WE-CMB HC
Inductance: 0.175 ~ 0.7 mH
DCR: 2.7 ~ 13 Ω
Rated current: 5 ~ 10 mA
Frequency range: 0.1 ~ 100 MHz
WE-CMB NiZn
Inductance: 14 ~ 110 µH
DCR: 27 ~ 80 mΩ
Rated current: 1.5 ~ 10 A
Frequency range: 4 ~ 500 MHz
WE-LF
Inductance: 0.4 ~ 50 mH
DCR: 0.02 ~ 2.6 Ω
Rated current: 0.3 ~ 6 A
Frequency range: 0.1 ~ 500 MHz
WE-LF SMD
Inductance: 0.7 ~ 47 mH
DCR: 0.03 ~ 2.6 Ω
Rated current: 0.3 ~ 4 A
Frequency range: 0.1 ~ 500 MHz
WE-FC
Inductance: 0.82 ~ 33 mH
DCR: 0.065 ~ 2.5 Ω
Rated current: 0.3 ~ 2 A
Frequency range: 0.01 ~ 20 MHz
EMI Shielding Material
EMI Shielding Material
Conductive shielding gasket, earthing belts,
conductive foam, EMI shielding tape, earthing
nylon clips
D-SUB Filter Connectors
D-SUB Filter Connectors
Bent 90°, solder cup, solder pin straight,
filter adapter
LAN Transformers
WE-LAN
compliant with IEEE 802.3 standards
for Ethernet, Powerover Ethernet, 1 Gigabit
Ethernet & Power over Ethernet plus
WE-LAN HV
Compliant with IEEE802.3 standards
4 kV Hipot test
WE-RJ45 LAN / WE-RJ45 LAN HPLE
for ADSL Modems, LAN, embedded PCs, Hubs,
Routers and Switches
WE-AMT
for Analog Modems
WE-ISDN
compliant with ITUG.703 ISDN-Primary rate
recommendations
WE-DSL
compliant with IEC905 for ADSL, ADSL 2+,
HDSL. SHDSL, UDSL applications
Telecom Transformers
WE-KI, WE-RFI, WE-RFH
Inductance: 1 ~ 47000 nH
Sizes: 0402, 0603, 0805, 1008
Frequency range: 90 ~ 5000 MHz
WE-TCI
Inductance: 1 ~ 68 nH
Sizes: 0402, 0603
Frequency range: 90 ~ 5000 MHz
WE-MK
Inductance: 1 ~ 220 nH
Sizes: 0201, 0402, 0603
Frequency range: 70 ~ >10000 MHz
RF Inductors
LTCC Components
WE-LPF
Frequency range: 902 ~ 5875 MHz
Sizes: 0603, 0805
WE-BPF
Frequency range: 2400 ~ 5920 MHz
Sizes: 0805, 1008
WE-BAL
Frequency range: 1400 ~ 5875 MHz
Sizes: 0603, 0805
WE-MCA
Frequency range: 868 ~ 5875 MHz
STAR-FIX
Impedance 1 Turn @ 25 MHz: 145 ~ 151 Ω
Impedance 1 Turn @ 100 MHz: 246 ~ 270 Ω
Cable diameter: 4.5 ~ 12.5 mm
Frequency range: 5 ~ 2000 MHz
STAR-FIX LFS
Impedance 1 Turn @ 25 MHz: 30 Ω
Impedance 1 Turn @ 100 MHz: 45 Ω
Cable diameter: 4.5 ~ 8 mm
Frequency range: 0.3 ~ 30 MHz
STAR-GAP
Impedance 1 Turn @ 25 MHz: 28 ~ 35 Ω
Impedance 1 Turn @ 500 MHz: 345 ~ 400 Ω
Cable diameter: 4.5 ~ 12.5 mm
Frequency range: 100 ~ 2000 MHz
Ferrites for Cable Assembly
STAR-TEC
Impedance 1 Turn @ 25 MHz: 98 ~ 176 Ω
Impedance 1 Turn @ 100 MHz: 182 ~ 321 Ω
Cable diameter: 3.5 ~ 12.5 mm
Frequency range: 5 ~ 2000 MHz
Ferrites for Cable Assembly
WE-PD4
Inductance: 0.47 ~ 10000 µH
DCR: 0.016 ~ 39 Ω
Rated current: 0.07 ~ 18 A
Frequency range: 0.1 ~ 10 MHz
Power Inductors
WE-PMI
Inductance: 0.47 ~ 10 μH
DCR: 90 ~ 700 mΩ
Rated current: 0.3 ~ 2 A
Frequency range: 1 ~ 10 MHz
WE-GF
Inductance: 0.1 ~ 1000 µH
DCR: 0.32 ~ 50 Ω
Rated current: 30 ~ 450 mA
Frequency range: 0.1 ~ 100 MHz
WE-LQ
Inductance: 1 ~ 2200 µH
DCR: 0.08 ~ 63 Ω
Rated current: 0.04 ~ 1.8 A
Frequency range: 10 ~ 1000 MHz
WE-TPC
Inductance: 0.11 ~ 1500 µH
DCR: 0.0045 ~ 9 Ω
Rated current: 80 ~ 8500 mA
Frequency range: 0.1 ~ 10 MHz
WE-PD
Inductance: 0.47 ~ 1500 µH
DCR: 0.003 ~ 9.44 Ω
Rated current: 0.2 ~ 23.5 A
Frequency range: 0.1 ~ 10 MHz
WE-PDF
Inductance: 0.22 ~ 30 μH
DCR: 7 ~ 49.2 Ω
Rated current: 3.7 ~ 10.3 A
Frequency range: 0.1 ~ 10 MHz
WE-PD2
Inductance: 0.12 ~ 820 µH
DCR: 0.0035 ~ 2.55 Ω
Rated current: 0.32 ~ 10 A
Frequency range: 0.1 ~ 10 MHz
WE-PD3
Inductance: 1 ~ 1000 µH
DCR: 0.027 ~ 3.2 Ω
Rated current: 0.19 ~ 3.9 A
Frequency range: 0.1 ~ 10 MHz
WE-HCF
Inductance: 0.7 ~ 10 μH
DCR: 0.83 ~7.96 mΩ
Rated current: 16 ~ 32 A
Frequency range: 0.1 ~ 3 MHz
WE-DD
Inductance: 1.3 ~ 220 µH
DCR: 0.016 ~ 1.73 Ω
Rated current: 0.3 ~ 8.6 A
Frequency range: 0.1 ~ 10 MHz
WE-HCI
Inductance: 0.13 ~ 47 µH
DCR: 0.35 ~ 34 mΩ
Rated current: 3.5 ~ 415 A
Frequency range: 0.1 ~ 3 MHz
WE-HCC
Inductance: 0.22 ~ 10 μH
DCR: 0.51 ~ 20.7 mΩ
Rated current: 9 ~ 27 A
Frequency range: 0.1 ~ 3 MHz
WE-SL
Inductance: 35 ~ 4700 µH
DCR: 0.035 ~ 0.85 Ω
Rated current: 0.2 ~ 2.7 A
Frequency range: 0.01 ~ 600 MHz
WE-SL5 HC
Inductance: 5 ~ 9 μH
DCR: 0.0055 ~ 0.011 Ω
Rated current: 3.5 ~ 5 A
Frequency range: 0.5 ~ 300 MHz
Common Mode Chokes
WE-SLM
Inductance: 11 ~ 100 µH
DCR: 0.18 ~ 0.58 Ω
Rated current: 300 mA
Frequency range: 9 ~ 600 MHz
WE-CNSW
Impedance @ 100 MHz: 67 ~ 2200 Ω
DCR: 0.25 ~ 1.2 Ω
Rated current: 200 ~ 400 mA
Frequency range: 10 ~ 1000 MHz
WE-SL5
Inductance: 120 ~ 4700 µH
DCR: 0.025 ~ 0.72 Ω
Rated current: 350 ~ 2500 mA
Frequency range: 9 ~ 600 MHz
WE-SL3
Inductance: 20 ~ 100 µH
DCR: 0.14 ~ 0.45 Ω
Rated current: 450 ~ 700 mA
Frequency range: 9 ~ 600 MHz
WE-SL2
Inductance: 10 ~ 6500 µH
DCR: 0.08 ~ 0.95 Ω
Rated current: 0.4 ~ 1.6 A
Frequency range: 0.01 ~ 600 MHz
WE-SL1
Inductance: 10 ~ 330 µH
DCR: 0.16 ~ 0.3 Ω
Rated current: 300 mA
Frequency range: 9 ~ 600 MHz
Circuit Protection
WE-VD
Operating Voltage: 18 ~ 1465 VDC
Diameters: 5 ~ 20 mm
imax: 0.1 ~ 10 kA
Wmax: 0.7 ~ 496 J
Reference for UL/CSA/VDE
WE-VE/WE-VEA
Operating Voltage: 5 ~ 24 VDC
Capacitance @ 1 MHz: 0.2 ~ 120 pF
Size: 0201 ~ 0805/0508 ~ 0612
WE-TVS
VRWM: 3.3 ~ 5 VDC
Ctyp: 0.25 ~ 55 pF
Channels: 2 ~ 6 (+VDD)
Uni/Bidirectional, , Rail-to-Rail
WE-VS
Operating voltage: 5.5 ~ 85 VDC
imax: 20 ~ 1200 A
Wmax: 0.02 ~ 12 J
Ctyp: 70 ~ 13600 pF
Size: 0402 ~ 2220
WE-VE femtoF
Operating Voltage: 6 ~ 26 VDC
Ctyp: 0.05 pF
Size: 0402 ~ 0603
WE-FLEX+
suitable for all switch mode power supply
topologies like: Buck-Converter, Boost-Converter,
SEPIC-Converter, Flyback-Converter,
Forward-Converter and Push-Pull-Converter
WE-PoE
suitable for Power over Ethernet ICs
WE-PoE+
Compliant with the 30W PoE+ objectives of
IEEE802.3at
Suitable for PoE+ powered devices
WE-FB
for LT3573 and LT3751 of Linear Technology
WE-UNIT
for Switch Mode Power Supply
especially designed for ICs of Power
Integrations, STMicroelectronics & NXP
WE-PFC
for active power factor correction and lighting
applications, recommended for the ICs
NCP1606B & MC33262 of ON Semiconductor
WE-CST
for Switch Mode Power Supply and
AC current detection
Power Transformers
WE-FLEX
suitable for all switch mode power supply
topologies like: Buck-Converter, Boost-Converter,
SEPIC-Converter, Flyback-Converter,
Forward-Converter and Push-Pull-Converter
The pictures are linked to the product page.
www.we-online.com
EMC Components Power Magnetics Signal & Communications
Power Inductors
Product Training
Improve yourself: Use our new product training mo-
dules for free. Learn more about how to solve EMI
issues with common mode chokes, the key features
of high current and flatwire power inductors and
their areas of application.
Simulation Software
Simulation tool for the easy selection
of suitable switching regulators.
Components Libraries
Component libraries for Eagle and Altium Designer
TOOLBOX
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Designer Toolbox
for purchasers and engineers
22
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EMC Components
Power Elements
Assembly Technique
Signal & Communications
Power Magnetics
Connectors
Switches
Passive & Electromechanical
Components
23
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We guarantee all catalogue products are manufactured to stock
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more than you expect

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