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製品情報
Resistors(SMD) 貼片型電阻器
Low Resistance/Current Sense Shunt Resistors 低電阻/電流偵測電阻器
Leaded Resistors 固定式電阻器
Thermistors/Thermal Sensors 熱敏電阻器/溫度傳感器
Inductors 電感器
Fuses 保險絲
Varistors 壓敏電阻器
LTCC substrate, Hybrid IC
Others 其他
End of life product information
Measures for environmental hazardous materials
Low Resistance/Current Sense Shunt Resistors 低電阻/電流偵測電阻器
KOA's 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

KOA's shunt products lineup

 

Metal Plate Type Resistor 金屬板電阻器

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 金屬板表面貼裝電阻器

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 0.3m, 0.5m 8 6332 1 ±115 to ±175
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

Metal Plate Terminal Surface Mount Type Resistor                            金屬板端子表面貼裝電阻器

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 厚膜貼片電阻器

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 0508 to 3263 0.5, 1, 5 ±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 金屬板引線型電阻器

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 金屬線引線型電阻器

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 Specification 常用規格

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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