Low Resistance/Current Sense Shunt Resistors
KOA's wide product lineup of low resistance shunt resistors that enable current sensing indispensable for power management.
The products include large current metal plate type power shunt resistors, small size and high power wide terminal resistor, thick film low resistance resistors and small type for low current purposes. Find the best product for your application.
【Power Rating and Resistance Distribution of Current Sense Shunt / Low Ohm Resistors】
※Click each product series to find the details
Metal Plate Type Resistor
| Features |
Product Series |
Image |
Catalog |
Resistance
Range(Ω) |
Power
Rating(W) |
Size(mm) |
Tolerance
(±%) |
T.C.R.(×10-6/K) |
Large current sensing
Ultra low resistance |
HS
|
 |
|
0.1m, 0.2m |
18, 36 |
40 x 15 |
5 |
50±25 |
Metal Plate Surface Mount Type Resistor
| Features |
Product
Series |
Image |
Catalog |
Resistance
Range(Ω) |
Power
Rating(W) |
Size(mm) |
Tolerance
(±%) |
T.C.R.
(×10-6/K) |
Large current sensing
Ultra low resistance |
PSJ |
 |
|
0.2m, 0.5m, 1m,
2m, 3m, 4m |
5, 6, 8, 10, 12 |
10 x 5.2 |
1 |
±50 to ±200 |
Large current sensing
Ultra low resistance |
PSL
|
|
0.3m, 0.5m |
8 |
6332 |
1 |
±115 to ±175 |
Large current sensing
Ultra low resistance,
4-terminal, low TCR |
PSG |
 |
|
0.5m, 1m |
8, 10
|
2725 |
1 |
±50 |
Large current sensing
Ultra low resistance,
4-terminal, low TCR |
PSF
|
|
0.5m, 1m |
3, 5 |
3.0 x 3.8 |
1 |
±50 |
Large current sensing
Ultra low resistance |
PSB |
 |
|
0.2m, 0.75m, 1m |
6, 12.5 |
10x8.4 |
1 |
±75 to ±100 |
Large current sensing
Ultra low resistance |
PSI |
 |
|
3m, 4m |
3 |
10x5.2 |
1 |
±50 |
Large current sensing
Ultra low resistance |
PSE |
 |
|
0.5m, 1m,
1.5m, 2m |
3, 5 |
6.4x6.4 |
1, 5 |
±150 |
current sensing
Small type,
Low resistance
|
TLR(Small) |
 |
|
2m to 10m |
0.2, 1 |
1005 to 2012 |
1, 2, 5 |
±100 |
current sensing
Ultra low resistance
|
TLR |
|
|
0.5m to 20m |
0.5 to 2 |
3216 to 6332 |
1 |
±50 to ±200 |
Large current sensing
Ultra low resistance |
TLR(High Power) |
 |
|
0.5m to 20m |
1 to 3 |
3216 to 6332 |
1 |
±50 to ±75 |
| Metal Plate Chip Jumper |
TLRZ |
|
|
0.2mΩ max.
(0.5mΩ max: 1E) |
(Current Rating)
10A to 50A |
1005 to 3216 |
- |
- |
Current sensing
Low resistance |
TLRH |
 |
|
6m to 270m |
0.25 to 5 |
2012 to 6332 |
1 |
±50 to ±75 |
Current sensing
(Low resistance), molded |
TSL |
 |
|
5m to 100m |
1 |
6332 |
0.5, 1, 5 |
±100 to ±180 |
Current sensing
(Low resistance/TCR), molded |
SLN |
|
|
5m to 200m |
2 |
11.5x7 |
0.5, 1, 5 |
±75 to ±110 |
Current sensing
(Low resistance/TCR), molded |
SL(High Power)
|
 |
|
3m to 200m |
1 to 7 |
5025 to 11.5x7 |
0.5, 1, 5 |
±50 to ±180,
0 to +200 |
Metal Plate Chip Jumper,
Molded |
SLZ |
|
|
0.5mΩ max. |
(Current Rating)
44A |
6332 |
- |
- |
| Ceramic, Custom |
BLR |
 |
|
8m to 50m |
1, 2, 15 |
14x5.5 to 19.3x9.2 |
5, 10 |
±100 |
| Custom milliΩ resistors |
LR72 |
 |
|
2m to 8m |
0.25 to 1 |
11.2x3.2 to 14x5.2 |
5 |
±100 to ±350 |
Current sensing
(4 terminal), molded |
CSR |
 |
|
5m to 50m |
1, 2 |
10.8x6.2 to 12.8x8.2 |
0.5, 1 |
±50 |
Metal Plate Terminal Surface Mount Type Resistor
| Features |
Product Series |
Image |
Catalog |
Resistance
(Ω) |
Power Rating
(W) |
Size(mm) |
Tolerance
(±%) |
T.C.R.(×10-6/K) |
Current sensing
(Low resistance),
Low TCR, Molded |
SL(Metal) |
 |
|
3m to 360m |
0.75 to 2 |
5025 to 11.5x7 |
0.5, 1, 2, 5 |
±50 to ±180,
0 to +200 |
Current sensing
(Low resistance),
Molded |
SL(Thick film) |
|
|
105m to 22M |
1, 2 |
6332 to 11.5x7 |
0.5, 1, 5 |
±100 |
Thick Film Surface Mount Type Resistor
| Features |
Product Series |
Image |
Catalog |
Resistance
Range(Ω) |
Power
Rating(W) |
Size(mm) |
Tolerance
(±%) |
T.C.R.(×10-6/K) |
Low resistance,
wide terminal |
WK73S |
 |
|
10m to 9.76 |
0.75 to 2 |
0508 to 3263 |
0.5, 1, 5 |
±100 to ±800 |
Low resistance,
wide terminal |
WK73S
(High power) |
 |
|
10m to 9.76 |
1.5 to 3 |
1632 to 3263 |
0.5, 1, 5 |
±100 to ±800 |
Low resistance,
wide terminal |
WU73
|
 |
|
10m to 100m |
1, 1.5 |
1632 |
1 |
±75 to ±100 |
| Low resistance |
SR73 |
 |
|
24m to 10 |
0.1 to 2 |
0603 to 6332 |
0.5, 1, 2, 5 |
0 to +500
±100 to ±1000 |
| Low resistance, Low TCR |
UR73 |
 |
|
10m to 100m |
0.125 to 1 |
1005 to 6332 |
1 |
±100 to ±500 |
Low resistance,
Low TCR, High heat |
UR73V
|
 |
|
10m to 100m |
0.5, 0.75 |
2012 to 3216 |
1 |
0 to ＋250,
±75 to ±100 |
Metal Plate Type Leaded Resistors
| Features |
Product Series |
Image |
Catalog |
Resistance
(Ω) |
Power Rating
(W) |
Tolerance
(±%) |
T.C.R.(×10-6/K) |
| Cement case (Metal plate) |
BPR |
 |
|
0.01 to 1 |
2 to 10 |
5, 10 |
±350 |
Metal Wire Leaded Resistors
| Features |
Product Series |
Image |
Catalog |
Resistance
(Ω) |
Power Rating
(W) |
Tolerance
(±%) |
T.C.R.(×10-6/K) |
| Wire wound |
CW |
 |
|
0.01 to 430 |
0.25 to 5 |
0.25, 0.5, 1, 2, 5, 10 |
±50 to ±500 |
| Metal wire |
LR |
 |
|
3m to 100m |
- |
3, 5 |
±100 |
Common Specifications
| Items |
Catalog |
| Minimum Ordered Quantity |
|
| Recommended Pad Dimensions |
|
| Packagings for Chip Components |
|
| Axial Tapings |
|
| Radial Taping |
|
| Forming |
|
| Color code•Resistance marking•E series numbers |
|
| Introduction of terminal part temperature |
|