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
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Temperature Coefficient
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - SMD 0.005 ohm 0.5% 2W
Datasheet
382In Stock
1 000Expected 20/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 5 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .005ohm 1% Metal Foil
Datasheet
188In Stock
10 000Expected 05/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 5 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 2W
Datasheet
1 058In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 10 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .01ohm 1% Metal Foil
Datasheet
1 295In Stock
10 000Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 10 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.015 ohm 0.5% 2W
Datasheet
724In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 15 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 2W
Datasheet
1 542In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 20 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.025 ohm 0.5% 2W
Datasheet
820In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 25 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .025ohm 1% Metal Foil
Datasheet
1 364In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 25 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.03 ohm 0.5% 2W
Datasheet
2 000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 30 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 2W 0.03 Ohms 1%
Datasheet
755In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 30 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.05 ohm 0.5% 2W
Datasheet
1 186In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 50 mOhms 2 W 0.5 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .002ohm 2% Metal Foil
Datasheet
5In Stock
6 000On Order
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Mult.: 1
: 1 000

SMD/SMT 2 mOhms 3 W 2 % 100 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .005ohm 1% Metal Foil
Datasheet
12In Stock
5 000Expected 10/08/2026
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 .01ohm 1% Metal Foil
Datasheet
1 570In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 10 mOhms 3 W 1 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 0.015 ohm 0.5% 3W
Datasheet
1 685In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 15 mOhms 3 W 0.5 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 3W
Datasheet
1 162In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 20 mOhms 3 W 0.5 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .025ohm 1% Metal Foil
Datasheet
917In Stock
4 000Expected 07/09/2026
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 4watt .005ohm 1% Metal Foil
Datasheet
430In Stock
4 000Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 5 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 4watt .01ohm 1% Metal Foil
Datasheet
1 086In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 10 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD .01ohm 1% 4 Terminal
Datasheet
527In Stock
25 000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

SMD/SMT 10 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD 0.024ohm 1% 4 Terminal
Datasheet
1 755In Stock
10 000Expected 16/11/2026
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 0.047ohm 1% 4 Terminal
Datasheet
1 157In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

SMD/SMT 47 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216
Ohmite Current Sense Resistors - SMD .01ohm 1% 4 Terminal
Datasheet
567In Stock
1 000Expected 18/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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
: 1 000

SMD/SMT 15 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.02ohm 1% 4 Terminal
Datasheet
1 084In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

SMD/SMT 20 mOhms 750 mW (3/4 W) 1 % 50 PPM / C 2010 5025