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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Qty. RoHS Termination Style
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - SMD 10W 0.050 OHM 1 %
Datasheet
734In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT 50 mOhms 10 W 1 % 100 PPM / C 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .05ohm 1% Metal Foil
Datasheet
3.155In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 50 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .005ohm 1% Metal Foil
Datasheet
4.098In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 5 mOhms 3 W 1 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .025ohm 1% Metal Foil
Datasheet
2.917In Stock
1.000Expected 8/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 25 mOhms 3 W 1 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD .01ohm .5% 4 Terminal
Datasheet
5.911In Stock
50.000Expected 1/25/2027
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 10 mOhms 500 mW (1/2 W) 0.5 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD .012ohm 1% 4 Terminal
Datasheet
5.386In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 12 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.02ohm .5% 4 Terminal
Datasheet
28.791In Stock
25.000Expected 10/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 20 mOhms 500 mW (1/2 W) 0.5 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.024ohm 1% 4 Terminal
Datasheet
10.958In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 24 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.03ohm .5% 4 Terminal
Datasheet
3.776In Stock
5.000Expected 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 30 mOhms 500 mW (1/2 W) 0.5 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.03ohm 1% 4 Terminal
Datasheet
12.536In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 30 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.05ohm .5% 4 Terminal
Datasheet
12.072In Stock
25.000Expected 4/19/2027
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 50 mOhms 500 mW (1/2 W) 0.5 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD .01ohm .5% 4 Terminal
Datasheet
3.890In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 10 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD .01ohm .5% 4 Terminal
Datasheet
4.105In Stock
5.000Expected 3/12/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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
9.758In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 10 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.02ohm .5% 4 Terminal
Datasheet
6.395In Stock
7.000Expected 4/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 20 mOhms 1 W 0.5 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.039ohm 1% 4 Terminal
Datasheet
2.134In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 39 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - SMD 0.001ohm 1% 4 Terminal
Datasheet
4.885In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 1 mOhms 2 W 1 % 300 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD 0.003ohm 1% 4 Terminal
Datasheet
2.945In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 3 mOhms 2 W 1 % 200 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD .005ohm 1% 4 Terminal
Datasheet
9.189In Stock
23.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 5 mOhms 2 W 1 % 100 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD .01ohm 1% 4 Terminal
Datasheet
2.665In Stock
5.000Expected 11/30/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 10 mOhms 2 W 1 % 100 PPM / C 1224 (Reversed) 3264 (Reversed)
Ohmite Current Sense Resistors - SMD 1W 0.01 ohm 1%
Datasheet
9.259In Stock
25.000Expected 12/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 10 mOhms 1 W 1 % 50 PPM / C 1307 3317
Ohmite Current Sense Resistors - SMD 1W 0.05 ohm 1%
Datasheet
22.794In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 50 mOhms 1 W 1 % 50 PPM / C 1307 3317
Ohmite Current Sense Resistors - SMD 2W 0.005 ohm 1%
Datasheet
15.323In Stock
4.000Expected 10/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

SMD/SMT 5 mOhms 2 W 1 % 50 PPM / C 2512 6432
Ohmite Current Sense Resistors - SMD 2W 0.01 ohm 1%
Datasheet
26.749In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

SMD/SMT 10 mOhms 2 W 1 % 50 PPM / C 2512 6432
Ohmite Current Sense Resistors - Through Hole 1W .100 ohms 1%
Datasheet
3.591In Stock
Min.: 1
Mult.: 1
: 1.000

Axial 100 mOhms 1 W 1 % 100 PPM / C