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KOA Corporation > Product > Low Resistance/Current Sense Shunt Resistors

Low Resistance/Current Sense Shunt Resistors

KOA's low resistance current sense shunt resistorsKOA'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.
Current Sense Product
Selection Guide

【Power Rating and Resistance Distribution of Current Sense Shunt / Low Ohm Resistors】

※Click each product series to find the details

KOA's shunt products lineup

Low Ohm Resistor WU73 Low Ohm Resistor WK73 Current Sense Shunt TLRH Current Sense Shunt SL, TSL, SLN Low Ohm Resistor SR73 Low Ohm Resistor UR73V Low Ohm Resistor UR73 Current Sense Shunt TLR Current Sense Shunt PSB, PSE, PSI Current Sense Shunt PSJ, PSG, PSL, PSF Current Sense Shunt HS

*Click here for certificate of RoHS compliance/REACH SVHC compliance
*End of life products information

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
 HS large current shunt/KOA PDF link of power shunt 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 KOA Large Current Shunt PSJ2/PSL2 PDF link of power shunt 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
 KOA Large Current Shunt PSJ2/PSL2 0.2m*, 0.3m, 0.5m 8, 9* 6332 1 ±115 to ±175
250±100 *
Large current sensing
Ultra low resistance,
4-terminal, low TCR		 PSG PSG4 Power Shunt/KOA PDF link of power shunt PSG
 0.5m, 1m 8, 10
 2725 1 ±50
Large current sensing
Ultra low resistance,
4-terminal, low TCR		 PSF
 PSG4 Power Shunt/KOA 0.5m, 1m 3, 5 3.0 x 3.8 1 ±50
Large current sensing
Ultra low resistance		 PSB PDF link of power shunt PSB 0.2m, 0.75m, 1m 6, 12.5 10x8.4 1 ±75 to ±100
Large current sensing
Ultra low resistance		 PSI PDF link of power shunt PSI 3m, 4m 3 10x5.2 1 ±50
Large current sensing
Ultra low resistance		 PSE PDF link of power shunt PSE 0.5m, 1m,
1.5m, 2m		 3, 5 6.4x6.4 1, 5 ±150
current sensing
Small type,
Low resistance
 TLR(Small) PDF link of metal plate current sensing resistor TLR(small size) 2m to 10m 0.2, 1 1005 to 2012 1, 2, 5 ±100
current sensing
Ultra low resistance
 TLR
PDF link of metal plate current sensing resistor 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) PDF link of metal plate high power type current sensing resistor TLR 0.5m to 20m 1 to 3 3216 to 6332 1 ±50 to ±75
Metal Plate Chip Jumper TLRZ KOA's Metal Plate Zero Ohm Jumper Resistor/TLRZ
 PDF link of 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 PDF link of metal plate current sensing resistor TLRH 6m to 270m 0.25 to 5 2012 to 6332 1 ±50 to ±75
Current sensing
(Low resistance), molded		 TSL PDF link of current sensing low resistance resistor TSL 5m to 100m 1 6332 0.5, 1, 5 ±100 to ±180
Current sensing
(Low resistance/TCR), molded		 SLN PDF link of current sensing low resistance resistor SLN 5m to 200m 2 11.5x7 0.5, 1, 5 ±75 to ±110
Current sensing
(Low resistance/TCR), molded		 SL(High Power)

 PDF link of current sensing low resistance resistor SL(high power type) 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 PDF link of high current jumper SLZ 0.5mΩ max. (Current Rating)
44A		 6332 - -
Ceramic, Custom BLR PDF link of current sensing ceramic case resistor BLR 8m to 50m 1, 2, 15 14x5.5 to 19.3x9.2 5, 10 ±100
Custom milliΩ resistors LR72 PDF link of 2m to 8m 0.25 to 1 11.2x3.2 to 14x5.2 5 ±100 to ±350
Current sensing
(4 terminal), molded		 CSR PDF link of current sensing 4-terminal resistor CSR 5m to 50m 1, 2 10.8x6.2 to 12.8x8.2 0.5, 1 ±50
*Under Development

 

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) PDF link of current sensing low resistance resistor SL 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) KOA's Low Resistance Thick Film Resistor/SL
 PDF link of current sensing low resistance resistor SL 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 WK73S PDF link of Low resistance, wide terminal resistor WK73S 10m to 9.76 0.75 to 2 1220 to 3263 0.5, 1, 5 0 to +200,
±100 to ±800
Low resistance,
wide terminal		 WK73S
(High power)		 KOA's Wide Terminal High Power Type Resistors/WK73S PDF link of Low resistance, wide terminal resistor WK73S 10m to 9.76 1.5 to 3 1632 to 3263 0.5, 1, 5 ±100 to ±800
Low resistance,
wide terminal		 WU73
 wu73 photo PDF link of Low resistance, wide terminal resistor WU73 10m to 100m 1, 1.5 1632 1 ±75 to ±100
Low resistance SR73 sr73 photo PDF link of low resistance resistor 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 ur73 photo PDF link of low resistance resistor UR73 10m to 100m 0.125 to 1 1005 to 6332 1 ±100 to ±500
Low resistance,
Low TCR, High heat		 UR73V
 UR73V/Low R resistor PDF link of low resistance automotive type resistor 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 PDF link of cement case metal plate resistor 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 PDF link of wirewound resistor CW 0.01 to 430 0.25 to 5 0.25, 0.5, 1, 2, 5, 10 ±50 to ±500
Metal wire LR PDF link of metal wire type resistor LR 3m to 100m - 3, 5 ±100

Common Specifications

Items Catalog
Minimum Ordered Quantity PDF link of Minimum Ordered Quantity
Recommended Pad Dimensions PDF link of Recommended Pad Dimensions
Packagings for Chip Components PDF link of Packagings for Chip Components
Axial Tapings PDF link of Axial Tapings
Radial Taping PDF link of Radial Taping
Forming PDF link of Forming
Color code•Resistance marking•E series numbers
Introduction of terminal part temperature

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