Current Sense Resistors

Ohmite Current Sense Resistors are available in many popular sizes and packages. These resistors are used to monitor current in a circuit via a voltage drop and control circuit. Current sense resistors are characterized by low values to minimize power consumption. Ohmite produces current sense resistors with TCR values as low as 40ppm, resistance as low as 0.0005Ω, tolerances down to 0.5%, and a wide range of mounting options from SMD to SOT-227 heat sinkable. Power dissipation ranges from 0.125W to 100W in the SOT package.

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Resistance
Power Rating
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Temperature Coefficient
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - SMD 0.03ohm 1% 4 Terminal
Datasheet
3.044In Stock
11.450Expected 17/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

SMD/SMT 30 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.05ohm 1% 4 Terminal
Datasheet
354In Stock
29.750On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

SMD/SMT 50 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD .01ohm .5% 4 Terminal
Datasheet
117In Stock
4.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD .01ohm 1% 4 Terminal
Datasheet
602In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD .015ohm 1% 4 Terminal
Datasheet
1.406In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 15 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.02ohm .5% 4 Terminal
Datasheet
48In Stock
5.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 20 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.02ohm 1% 4 Terminal
Datasheet
1.704In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 20 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.027ohm 1% 4 Terminal
Datasheet
930In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 27 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.039ohm 1% 4 Terminal
Datasheet
723In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 39 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.05ohm 1% 4 Terminal
Datasheet
1.557In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 50 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD .01ohm .5% 4 Terminal
Datasheet
200In Stock
5.000Expected 09/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 1 W 0.5 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD .01ohm 1% 4 Terminal
Datasheet
968In Stock
10.000Expected 02/11/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD .012ohm 1% 4 Terminal
Datasheet
677In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 12 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD .015ohm 1% 4 Terminal
Datasheet
659In Stock
1.000Expected 18/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 15 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.02ohm .5% 4 Terminal
Datasheet
1.732In Stock
5.000Expected 14/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 20 mOhms 1 W 0.5 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.02ohm 1% 4 Terminal
Datasheet
1.591In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 20 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.03ohm 1% 4 Terminal
Datasheet
194In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 30 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.05ohm .5% 4 Terminal
Datasheet
213In Stock
1.000Expected 18/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 50 mOhms 1 W 0.5 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.001ohm 1% 4 Terminal
Datasheet
164In Stock
8.000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 1 mOhms 2 W 1 % 300 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD 0.002ohm 1% 4 Terminal
Datasheet
3In Stock
13.759On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 2 mOhms 2 W 1 % 200 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD 1W 0.01 ohm 1%
Datasheet
2.981In Stock
20.000Expected 15/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

SMD/SMT 10 mOhms 1 W 1 % 50 PPM / C 1307 3317
Ohmite Current Sense Resistors - SMD 2W 0.02 ohm 1%
Datasheet
3.706In Stock
4.000Expected 10/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT 20 mOhms 2 W 1 % 50 PPM / C 2512 6432
Ohmite Current Sense Resistors - SMD 2W 0.025 ohm 1%
Datasheet
3.903In Stock
4.000Expected 08/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT 25 mOhms 2 W 1 % 50 PPM / C 2512 6432
Ohmite Current Sense Resistors - SMD 1watt .005ohm .5% SMD Wirewound
Datasheet
199In Stock
Min.: 1
Mult.: 1

SMD/SMT 5 mOhms 1 W 0.5 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .01ohm .5% SMD Wirewound
Datasheet
8In Stock
Min.: 1
Mult.: 1

SMD/SMT 10 mOhms 1 W 0.5 % 50 PPM / C 4224 10862