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
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - SMD 1W 0.003 ohms 5%
Datasheet
3.226In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

SMD/SMT 3 mOhms 1 W 5 % 350 PPM / C 4412 11232
Ohmite Current Sense Resistors - Through Hole 3watt .002ohm 1% 4 Lead Non-Inductive
Datasheet
308In Stock
Min.: 1
Mult.: 1

Radial 2 mOhms 3 W 1 % 60 PPM / C
Ohmite Current Sense Resistors - SMD 0.05 ohm 0.5% 5W
Datasheet
1.329In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 50 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - Through Hole 0.5W .005 ohms 1%
Datasheet
4.024In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial 5 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - SMD 2W 0.050 ohm 1%
Datasheet
1.736In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 50 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 5W
Datasheet
3.280In Stock
1.000Expected 24/08/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 10W 0.025 OHM 1 %
Datasheet
829In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT 20 mOhms 10 W 1 % 100 PPM / C 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - SMD 5watt 0.005ohms 1% SMD
Datasheet
8.200In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 5 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.039ohm 1% 4 Terminal
Datasheet
2.369In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 39 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - Through Hole 0.5W .100 ohms 1%
Datasheet
4.588In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial 100 mOhms 500 mW (1/2 W) 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .100 ohms 1%
Datasheet
3.261In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial 100 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 1.5watt .01ohm 3%
Datasheet
4.984In Stock
Min.: 1
Mult.: 1

Axial 10 mOhms 1.5 W 3 %
Ohmite Current Sense Resistors - SMD 0.005 ohm 0.5% 5W
Datasheet
1.696In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 5 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - Through Hole 2W .010 ohms 1%
Datasheet
4.322In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial 10 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2watts 0.1OHMS 1%
Datasheet
1.367In Stock
Min.: 1
Mult.: 1

Axial 100 mOhms 2 W 1 % 50 PPM / C
Ohmite Current Sense Resistors - SMD 2W 0.025 ohm 1%
Datasheet
3.294In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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% 5W
Datasheet
1.414In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 30 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 4W
Datasheet
1.910In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 20 mOhms 4 W 0.5 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 0.015 ohm 0.5% 5W
Datasheet
3.900In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 15 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 4W
Datasheet
1.997In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 10 mOhms 4 W 0.5 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 4watt .05ohm 1% Metal Foil
Datasheet
1.900In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 50 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 1% 1.5W
Datasheet
10.819In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

SMD/SMT 20 mOhms 1.5 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)
Ohmite Current Sense Resistors - Through Hole 4watt .005ohm 1%
Datasheet
278In Stock
Min.: 1
Mult.: 1

Axial 5 mOhms 4 W 1 % 1100 PPM / C
Ohmite Current Sense Resistors - SMD 0.025 ohm 1% 1.0W
Datasheet
4.685In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

SMD/SMT 25 mOhms 1 W 1 % 50 PPM / C 0508 (Reversed) 1220 (Reversed)
Ohmite Current Sense Resistors - SMD 2W 0.015 Ohms 1%
Datasheet
647In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT 15 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)