Current Shunt Resistor Datasheet
Two-Terminal, Metal Type Current Shunt Resistor
SSA Series
RoHS Pb
Description
Littelfuse SSA Series is a two-terminal, ultra-low resistance shunt
resistor. The SSA shunt resistors are of suprior quality and are best
suited for applications including power hybrid applications,
frequency converters, power modules, and communication
systems.
Features & Benefits
■ English case sizes 2512,
■ Small size
3921, and 5931
■ High voltage
■ Resistance from
0.2 mΩ~4 mΩ
■ Halogen-free, lead-free and
RoHS compliant
■ Power up to 15 W
■ Tolerance down to 1.0%
■ Temperature Coefficient of
Resistance (TCR) down to
50 ppmꢀ/C
Additional Information
Application
■ Hybrid Power Application
■ Power Module
■ Frequency Converter
■ Communication System
Resources
Accessories
Samples
Electrical Specifications
Size
Resitance Value
Ro (mΩ)
Power (70˚C) Power (100˚C)
Standard
package Qty
Part number
TCR (ppm/˚C)
inch
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
2512
3921
3921
3921
3921
3921
3921
3921
3921
3921
3921
3921
3921
mm
Rt (%)
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
5.0%
5.0%
5.0%
5.0%
W
6
5
5
6
6
6
4
4
6
5
5
6
6
6
4
4
9
10
9
8
7
6
6
5
9
10
9
8
W
4
3
4
4
4
4
3
2
4
3
4
4
4
4
3
2
5
5
5
5
4
4
3
2,5
5
5
5
5
SSA2512L0M20FPR
SSA2512L0M25FPR
SSA2512L0M30FPR
SSA2512L0M50FWR
SSA2512LR001FWR
SSA2512LR002FWR
SSA2512LR003FWR
SSA2512LR004FWR
SSA2512L0M20JPR
SSA2512L0M25JPR
SSA2512L0M30JPR
SSA2512L0M50JWR
SSA2512LR001JWR
SSA2512LR002JWR
SSA2512LR003JWR
SSA2512LR004JWR
SSA3921L0M20FWR
SSA3921L0M30FWR
SSA3921L0M50FWR
SSA3921L0M75FWR
SSA3921LR001FWR
SSA3921LR002FWR
SSA3921LR003FWR
SSA3921LR004FWR
SSA3921L0M20JWR
SSA3921L0M30JWR
SSA3921L0M50JWR
SSA3921L0M75JWR
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
6432
50110
50110
50110
50110
50110
50110
50110
50110
50110
50110
50110
50110
0.2
0.25
0.3
0.5
1
2
3
4
0.2
0.25
0.3
0.5
1
2
3
4
0.2
0.3
0.5
0.75
1
2
3
4
0.2
0.3
0.5
0.75
200
175
175
150
100
50
2000
2000
2000
3000
3000
3000
3000
3000
2000
2000
2000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
50
50
200
175
175
150
100
50
50
50
150
150
70
70
50
50
50
50
150
150
70
70
© 2023 Littelfuse, Inc.
Specifications are subject to change without notice.
1
Revised: GD. 11/24/23