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SA Series Datasheet

Littelfuse Inc.

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Datasheet

Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Description
TVS devices are ideal for the protection of I/O interfaces,
VCC bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Applications
Features
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
PPPM 500 W
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC PD3.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
IFSM 70 A
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
Only
VF3.5 V
Operating Junction and Storage
Temperature Range TJ, TSTG -65 to 175 °C
Typical Thermal Resistance Junction
to Lead RθJL 20 °C/W
Typical Thermal Resistance Junction
to Ambient RθJA 75 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Agency Approvals
• 500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Glass passivated chip
junction in DO-15 Package
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
Typical failure mode is
short from over-specified
voltage or current
Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
ESD protection of data
lines in accordance with
IEC 61000-4-2
EFT protection of data
lines in accordance with
IEC 61000-4-4
Low incremental surge
resistance
Typical IR less than 1μA
when VBR max>13V
High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
Plastic package is
flammability rated V-0 per
Underwriters Laboratories
Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
AGENCY AGENCY FILE NUMBER
E230531
SA Series
Bi-directional
Uni-directional
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
RoHS
Pb
e3
Datasheet
Additional Infomarion
Resources
Samples
Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage
VR (V)
Breakdown Voltage VBR
(Volts) @ IT
Test
Current
IT
(mA)
Maximum
Clamping
Voltage
VC@ IPP
(V)
Maximum
Peak Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR
(µA)
Agency
Approval
MIN MAX
SA5.0A SA5.0CA 5.0 6.40 7. 0 0 10 9.2 55.4 600 X
SA6.0A SA6.0CA 6.0 6.67 7.37 10 10.3 49.5 600 X
SA6.5A SA6.5CA 6.5 7.22 7.98 10 11. 2 45.5 400 X
SA7.0A SA7.0CA 7. 0 7.78 8.60 10 12.0 42.5 150 X
SA7.5A SA7.5CA 7. 5 8.33 9.21 1 12.9 39.5 50 X
SA8.0A SA8.0CA 8.0 8.89 9.83 1 13.6 37.5 25 X
SA8.5A SA8.5CA 8.5 9.44 10.40 1 14.4 35.4 10 X
SA9.0A SA9.0CA 9.0 10.00 11. 10 1 15.4 33.1 5 X
SA10A SA10CA 10.0 11. 10 12.30 1 1 7. 0 30.0 3 X
SA11A SA11CA 11. 0 12.20 13.50 1 18.2 28.0 1 X
SA12A SA12CA 12.0 13.30 14.70 1 19.9 25.6 1 X
SA13A SA13CA 13.0 14.40 15.90 1 21.5 23.7 1 X
SA14A SA14CA 14.0 15.60 17.20 1 23.2 22.0 1 X
SA15A SA15CA 15.0 16.70 18.50 1 24.4 20.9 1 X
SA16A SA16CA 16.0 17.80 19.70 1 26.0 19.6 1 X
SA17A SA17CA 1 7. 0 18.90 20.90 1 27.6 18.5 1 X
SA18A SA18CA 18.0 20.00 22.10 1 29.2 1 7. 5 1 X
SA20A SA20CA 20.0 22.20 24.50 1 32.4 15.7 1 X
SA22A SA22CA 22.0 24.40 26.90 1 35.5 14.4 1 X
SA24A SA24CA 24.0 26.70 29.50 1 38.9 13.1 1 X
SA26A SA26CA 26.0 28.90 31.90 1 42.1 12.1 1 X
SA28A SA28CA 28.0 31.10 34.40 1 45.4 11. 2 1 X
SA30A SA30CA 30.0 33.30 36.80 1 48.4 10.5 1 X
SA33A SA33CA 33.0 36.70 40.60 1 53.3 9.6 1 X
SA36A SA36CA 36.0 40.00 44.20 1 58.1 8.8 1 X
SA40A SA40CA 40.0 44.40 49.10 1 64.5 7. 9 1 X
SA43A SA43CA 43.0 47.80 52.80 1 69.4 7. 3 1 X
SA45A SA45CA 45.0 50.00 55.30 1 72.7 7. 0 1 X
SA48A SA48CA 48.0 53.30 58.90 1 77.4 6.6 1 X
SA51A SA51CA 51.0 56.70 62.70 1 82.4 6.2 1 X
SA54A SA54CA 54.0 60.00 66.30 1 87.1 5.9 1 X
SA58A SA58CA 58.0 64.40 71.20 1 93.6 5.4 1 X
SA60A SA60CA 60.0 66.70 73.70 1 96.8 5.3 1 X
SA64A SA64CA 64.0 71.10 78.60 1 103.0 5.0 1 X
SA70A SA70CA 70.0 77.80 86.00 1 113.0 4.5 1 X
SA75A SA75CA 75.0 83.30 92.10 1 121.0 4.2 1 X
SA78A SA78CA 78.0 86.70 95.80 1 126.0 4.0 1 X
SA85A SA85CA 85.0 94.40 104.00 1 137.0 3.7 1 X
SA90A SA90CA 90.0 100.00 111. 0 0 1 146.0 3.5 1 X
SA100A SA100CA 100.0 111.0 0 123.00 1 162.0 3.1 1 X
SA110A SA110CA 110.0 122.00 135.00 1 177.0 2.9 1 X
SA120A SA120CA 120.0 133.00 147.00 1 193.0 2.6 1 X
SA130A SA130CA 130.0 144.00 159.00 1 209.0 2.4 1 X
SA150A SA150CA 150.0 167.00 185.00 1 243.0 2.1 1 X
SA160A SA160CA 160.0 178.00 197.00 1 259.0 2.0 1 X
SA170A SA170CA 170.0 189.00 209.00 1 275.0 1. 9 1 X
SA180A SA180CA 180.0 200.00 221.00 1 289.0 1. 7 1 X
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A , the VBR is ± 10% and Vc is 5% higher than with A parts.
Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
I-V Curve Characteristics
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating
0.1
1
10
100
0.0010.010.1
11
0
P
PPM
-Peak Pulse Power(KW)
T
d
-Pulse Width(ms)
TJ initial = Tamb
Vc VBR VR
IR
IT
Ipp
V
Uni-directional
VF
Vc VBR VR
IR
IT
Ipp
V
Vc
VBR
VR
Ipp
IR
IT
Bi-directional
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
continues on next page.
Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
1
10
100
1000
10000
1.010.0100.0 1000.0
Cj (pF)
Tj
=25C
f=
1.0MHz
Vs
ig=50mVp-p
Bi-directional V=0V
Uni-directional @ VR
Bi-directional @ VR
VBR - Reverse Breakdown Voltage (V)
Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform
Figure 5 - Typical Junction Capacitance
0
20
40
60
80
100
120
110100
IFSM -Peak Forward Surve Current(A)
Number of Cycles at 60 Hz
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
0
25
50
75
100
0255075100 125 150 175 200
T
J
- Initial Junction Temperature (ºC)
Transient Thermal Impedance (°C/W)
-Pulse Duration (s)
TP
0.1
1
10
100
0.01 0.1110 100 1000
Figure 6 - Typical Transient Thermal Impedance
0.1
1.0
10.0
100.0
0.01.0 2.03.0 4.05.0
IF- Peak Forward Current(A)
VF-Peak Forward Voltage(V)
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
Physical Specifications
Weight 0.015oz., 0.4g
Case JEDEC DO-204AC (DO-15) molded
plastic body over passivated junction.
Polarity Color band denotes the cathode except
Bipolar.
Terminal Matte Tin axial leads, solderable per
JESD22-B102.
Dimensions
Dimensions
Inches Millimeters
Min Max Min Max
A1.000 - 25.40 -
B 0.230 0.300 5.80 7.60
C 0.028 0.034 0.71 0.86
D 0.104 0.140 2.60 3.60
D
AA
C
B
Cathode Band
(for Uni-directional products only)
DO-204AC (DO-15)
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition Lead–free
assembly
Pre Heat
- Temperature Min (Ts(min)) 150°C
- Temperature Max (Ts(max)) 200°C
- Time (min to max) (ts) 60 – 180 secs
Average ramp up rate (Liquidus Temp (TA)
to peak 3°C/second max
TS(max) to TA - Ramp-up Rate 3°C/second max
Reflow - Temperature (TA) (Liquidus) 217°C
- Time (min to max) (ts) 60 – 150 seconds
Peak Temperature (TP) 260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP) 8 minutes Max.
Do not exceed 260°C
Flow/Wave Soldering (Solder Dipping)
Peak Temperature : 265OC
Dipping Time : 10 seconds
Soldering : 1 time
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Temperature Cycling JESD22-A104
H3TRB JESD22-A101
RSH JESD22-B106
Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
Part Numbering System
Packaging
Part Number Component
Package Quantity Packaging
Option Packaging Specification
SAxxxXX DO-204AC 4000 Tape & Reel EIA STD RS-296
SAxxxXX-B DO-204AC 1000 Bulk Littelfuse Spec.
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
SERIES CODE
SAxxx XX X
TYPE CODE:
A Uni-Directional (5%
VBR
Voltage Tolerance)
CA Bi-Directional (5%
VBR
Voltage Tolerance)
VBR
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
Part Marking System
Tape and Reel Specification
2.063+0.079/-0.039
2.56
0.197+/-0.020
2.75
0.047
(330.2)
Recess Depth Max. 0.75 (19.05)
Off Center
either side
0.028(0.7)
Dimensions are in
inches/mm
0.236
(65.0)
(5.0+/- 0.5)
(53.0+2.0/-1.0)
(6.0)
(1.2)
(69.85)
13.0
(76.2)
3.0
0.68
(17. 27)
Direction of Feed
F
SAXXX
YYWW
Trace Code Marking
YY:Year Code
WW: Week Code
Product Type
Littelfuse Logo
Cathode Band
(for Uni-directional
products only)

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