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 3watt .005ohm 1% Metal Foil
Datasheet
4 023In 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 .01ohm .5% 4 Terminal
Datasheet
4 512In Stock
100 000On Order
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 086In 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
24 584In Stock
22 900Expected 10/1/2026
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
9 908In 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
7 976In Stock
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 511In 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
7 375In 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
2 878In Stock
2 000Expected 5/6/2027
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
3 680In Stock
5 000Expected 5/10/2027
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 078In 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
4 392In 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 0.001ohm 1% 4 Terminal
Datasheet
4 442In Stock
20 000Expected 5/12/2027
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 735In Stock
2 000Expected 4/26/2027
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 .01ohm 1% 4 Terminal
Datasheet
2 345In 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 0.05 ohm 1%
Datasheet
20 884In 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
7 952In Stock
24 000On Order
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
23 009In 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 581In Stock
Min.: 1
Mult.: 1
: 1 000

Axial 100 mOhms 1 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .010 ohms 1%
Datasheet
3 228In Stock
Min.: 1
Mult.: 1
: 1 000

Axial 10 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .025 ohms 1%
Datasheet
3 989In Stock
Min.: 1
Mult.: 1
: 1 000

Axial 25 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .050 ohms 1%
Datasheet
3 735In Stock
Min.: 1
Mult.: 1
: 1 000

Axial 50 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .100 ohms 1%
Datasheet
2 562In Stock
Min.: 1
Mult.: 1
: 1 000

Axial 100 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2watts 0.01OHMS 1%
Datasheet
489In Stock
Min.: 1
Mult.: 1

Axial 10 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2watts 0.015OHMS 1%
Datasheet
307In Stock
250Expected 12/7/2026
Min.: 1
Mult.: 1

Axial 15 mOhms 2 W 1 % 50 PPM / C