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
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Temperature Coefficient
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - SMD 0.02 ohm 1% 1.5W
Datasheet
10.819In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT 20 mOhms 1.5 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)
Ohmite Current Sense Resistors - SMD 5watt 0.005ohms 1% SMD
Datasheet
8.194In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 5 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 10W 0.050 OHM 1 %
Datasheet
834In 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 0.039ohm 1% 4 Terminal
Datasheet
2.369In 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 - Through Hole 0.5W .100 ohms 1%
Datasheet
4.588In Stock
Min.: 1
Mult.: 1
: 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
3.229In Stock
Min.: 1
Mult.: 1
: 1.000

Axial 100 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - SMD 2W 0.050 ohm 1%
Datasheet
1.730In 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 0.01 ohm 0.5% 5W
Datasheet
3.280In Stock
1.000Expected 8/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 10 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - Through Hole 2watts 0.1OHMS 1%
Datasheet
1.362In 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
: 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
: 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
1.909In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 20 mOhms 4 W 0.5 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 1W 0.003 ohms 5%
Datasheet
3.201In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
: 1.000

SMD/SMT 50 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.003ohm 1% 4 Terminal
Datasheet
3.034In Stock
2.000Expected 9/14/2026
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 - Through Hole 0.5W .005 ohms 1%
Datasheet
4.024In Stock
Min.: 1
Mult.: 1
: 1.000

Axial 5 mOhms 500 mW (1/2 W) 1 % 300 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
: 1.000

SMD/SMT 5 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.015 ohm 0.5% 5W
Datasheet
3.900In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
: 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
: 1.000

SMD/SMT 50 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 0.047ohm 1% 4 Terminal
Datasheet
980In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT 47 mOhms 1 W 1 % 50 PPM / C 2412 6432
Ohmite Current Sense Resistors - Through Hole 5watts 0.09OHMS 1%
Datasheet
108In Stock
Min.: 1
Mult.: 1

Axial 90 mOhms 5 W 1 % 50 PPM / C
Ohmite Current Sense Resistors - Through Hole 1/2watt .02ohm 3%
Datasheet
132In Stock
Min.: 1
Mult.: 1

Axial 20 mOhms 500 mW (1/2 W) 3 % 100 PPM / C