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SRN4018 Series

Bourns Inc.

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Datasheet

Features
Semi-shielded construction
Miniature size
Low profile - 1.8 mm max.
Inductance range: 0.82 to 220 µH
High rated current - up to 4.0 A
RoHS compliant* and halogen free**
Applications
DC/DC converters
Notebook computers
Digital video cameras
HDDs
Cell phones
Televisions, LCD displays
SRN4018 Series - Semi-shielded Power Inductors
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature (Component)
................................. -40 °C to +125 °C
Resistance to Solder Heat
...............................+260 °C for 10 sec.
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Moisture Sensitivity Level .....................1
................. N/A
Bourns Part No.
Inductance
@ 100 KHz/1 V Q
(Ref.)
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(Ω)
Max.
Irms
(A)
Isat
(A)L (μH) Tol. %
SRN4018-R82Y 0.82 30 9 7.96 100 0.019 4.0 4.7
SRN4018-1R0Y 1.0 30 9 7.96 90 0.023 3.7 4.2
SRN4018-1R2Y 1.2 30 9 7.96 80 0.025 3.5 4.0
SRN4018-1R5Y 1.5 30 9 7.96 70 0.032 3.1 3.5
SRN4018-2R2M 2.2 20 9 7.96 60 0.044 2.9 3.0
SRN4018-2R7M 2.7 20 9 7.96 52 0.052 2.3 2.4
SRN4018-3R3M 3.3 20 9 7.96 45 0.066 2.2 2.3
SRN4018-4R7M 4.7 20 9 7.96 35 0.084 1.9 2.0
SRN4018-6R8M 6.8 20 9 7.96 30 0.118 1.5 1.6
SRN4018-100M 10 20 11 2.52 25 0.180 1.3 1.4
SRN4018-150M 15 20 11 2.52 18 0.264 1.0 1.1
SRN4018-220M 22 20 11 2.52 15 0.348 0.9 0.95
SRN4018-330M 33 20 11 2.52 12 0.552 0.7 0.75
SRN4018-470M 47 20 11 2.52 10 0.780 0.6 0.62
SRN4018-680M 68 20 11 2.52 8 1.128 0.5 0.50
SRN4018-101M 100 20 23 0.796 6 1.596 0.42 0.45
SRN4018-151M 150 20 23 0.796 5 2.400 0.32 0.35
SRN4018-221M 220 20 30 0.796 3 3.552 0.28 0.30
SRN4018-331M 330 20 30 0.796 6 6.36 0.2 0.21
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ........................Sn/Ag/Cu
Coating .................Magnetic epoxy resin
Packaging ..... 3000 pcs. per 13-inch reel
Materials
Product Dimensions
Recommended Layout
Electrical Schematic
DIMENSIONS: MM
(INCHES)
*RoHS COMPLIANT
How to Order
SRN4018 - 100M
Model
Value Code (see table)
3.6
(.142)
4.55
(.179)
1.5
(.059)
1.5
(.059)
4R7
4.0 ± 0.2
(.157 ± .008)
4.0 ± 0.2
(.157 ± .008)
4R7
MAX.
1.8
(.071)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on
the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf
SRF0504 Series - Line Filter
DIMENSIONS: MM
(INCHES)
QTY: 3000 PCS. PER REEL
REV. 11/17
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SRN4018 Series - Semi-shielded Power Inductors
12.6
(.496)
17.2
(.677)
2.0 ± 0.5
(.079 ± .020)
99.5
(3.917)
330
(12.992) DIA.
13.5 ± 0.5
(.531 ± .020) DIA.
13.5 ± 0.5
(.531 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
200
250
150
200
100
50
0
Temperature (°C)
10050 150
Time (Seconds)
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
250
Peak Temperature: 260 °C
217 °C
60~120 Sec.
60 Sec.
Max.
60~150 Sec.
Max. Peak Temp. -5
Max. Time Above 217 :
Peak Temp.
Reflow
30 sec. max.
60~150 sec. max.
USER DIRECTION OF FEED
1.5 +0.1/-0.0
(.059 +.004/-.000)
8.0
(.315)
2.0 ± 0.05
(.079 ± .002)
4.0
(.157) DIA.
1.5
(.059)
DIA.
4.5
(.177)
0.3
(.012)
1.9
(.075)
5.5
(.217)
12.0
(.472)
1.75
(.069)
4.35
(.171)
4R7 4R7
200
(7.874)
NO COMPONENT NO COMPONENT
COMPONENTS 400
(15.748)
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FIXED IND 100UH 420MA 1.596 OHM
Cantidad disponible13469
Precio por unidad0.41
FIXED IND 68UH 500MA 1.128 OHM
Cantidad disponible10970
Precio por unidad0.41
FIXED IND 10UH 1.3A 180 MOHM SMD
Cantidad disponible7393
Precio por unidad0.41
FIXED IND 22UH 900MA 348 MOHM
Cantidad disponible118477
Precio por unidad0.41
FIXED IND 220UH 280MA 3.552 OHM
Cantidad disponible22671
Precio por unidad0.41
FIXED IND 15UH 1A 264 MOHM SMD
Cantidad disponible17056
Precio por unidad0.41
FIXED IND 47UH 600MA 780 MOHM
Cantidad disponible15180
Precio por unidad0.41
FIXED IND 6.8UH 1.5A 118 MOHM
Cantidad disponible17470
Precio por unidad0.41
FIXED IND 1.5UH 3.1A 32 MOHM SMD
Cantidad disponible3662
Precio por unidad0.41
FIXED IND 150UH 320MA 2.4 OHM
Cantidad disponible4055
Precio por unidad0.41
FIXED IND 1.2UH 3.5A 25 MOHM SMD
Cantidad disponible5179
Precio por unidad0.41
FIXED IND 820NH 4A 19 MOHM SMD
Cantidad disponible3063
Precio por unidad0.41
FIXED IND 2.7UH 2.3A 52 MOHM SMD
Cantidad disponible1158
Precio por unidad0.41
FIXED IND 3.3UH 2.2A 66 MOHM SMD
Cantidad disponible739
Precio por unidad0.41
FIXED IND 33UH 700MA 552 MOHM
Cantidad disponible351
Precio por unidad0.41
FIXED IND 1UH 3.7A 23 MOHM SMD
Cantidad disponible25
Precio por unidad0.41
FIXED IND 330UH 200MA 6.36 OHM
Cantidad disponible0
Precio por unidad0.1435