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.

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

Metal Plate Type Resistors
Metal Glaze Surface Mount Resistors
Common Specifications

Metal Plate Surface Mount Type Resistors
Metal Plate Type Leaded Resistors

Metal Plate Terminal Surface Mount Type Resistors
Metal Wire Leaded Resistors

*Click here for certificate of RoHS compliance/REACH SVHC compliance
*End of life/NRND 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			0.1m, 0.2m	18, 36	40 x 15	5	50±25

Metal Plate Surface Mount Type Resistor

Features	Product Series	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	0.2m*, 0.3m, 0.5m	8, 9*	6332	1	±115 to ±175 250±100 *
Large current sensing Ultra low resistance, 4-terminal, low TCR	PSG	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

*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)			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	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	1220 to 3263	0.5, 1, 5	0 to +200, ±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