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 0.025 ohm 1% 1.5W
Datasheet
3.549In Stock
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Mult.: 1
: 5.000

SMD/SMT 25 mOhms 1.5 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)
Ohmite Current Sense Resistors - SMD 0.03 ohm 1% 1.5W
Datasheet
1.118In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 30 mOhms 1.5 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)
Ohmite Current Sense Resistors - SMD 0.05 ohm 1% 1.5W
Datasheet
5.987In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 50 mOhms 1.5 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .001ohm 5% Metal Foil
Datasheet
2.071In Stock
2.000Expected 16/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 1 mOhms 2 W 5 % 150 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .002ohm 2% Metal Foil
Datasheet
66In Stock
4.000Expected 17/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 2 mOhms 2 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.005 ohm 0.5% 2W
Datasheet
1.181In Stock
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
1.216In Stock
6.000Expected 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
986In 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
2.415In Stock
8.000Expected 21/09/2026
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
224In 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
805In Stock
4.000Expected 13/11/2026
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
864In 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
15In Stock
4.000Expected 07/12/2026
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
1.044In 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 .001ohm 5% Metal Foil
Datasheet
314In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 1 mOhms 3 W 5 % 150 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .002ohm 2% Metal Foil
Datasheet
805In Stock
4.000Expected 26/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 2 mOhms 3 W 2 % 100 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 3W
Datasheet
1.448In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 10 mOhms 3 W 0.5 % 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 0.02 ohm 0.5% 3W
Datasheet
112In Stock
4.000Expected 11/11/2026
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 0.025 ohm 0.5% 3W
Datasheet
945In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 25 mOhms 3 W 0.5 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 3watt .05ohm 1% Metal Foil
Datasheet
320In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 50 mOhms 3 W 1 % 50 PPM / C 1530 (Reversed) 3876 (Reversed)
Ohmite Current Sense Resistors - SMD 4watt .001ohm 5% Metal Foil
Datasheet
2In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 1 mOhms 4 W 5 % 150 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 4watt .002ohm 2% Metal Foil
Datasheet
23In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 2 mOhms 4 W 2 % 100 PPM / C 1835 (Reversed) 4590 (Reversed)