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 1watt .01ohm .5% SMD Wirewound
Datasheet
8In Stock
Min.: 1
Mult.: 1

SMD/SMT 10 mOhms 1 W 0.5 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound
Datasheet
93In Stock
Min.: 1
Mult.: 1

SMD/SMT 10 mOhms 1 W 1 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .025ohm .5% SMD Wirewound
Datasheet
60In Stock
Min.: 1
Mult.: 1

SMD/SMT 25 mOhms 1 W 0.5 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .025ohm 1% SMD Wirewound
Datasheet
43In Stock
Min.: 1
Mult.: 1

SMD/SMT 25 mOhms 1 W 1 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound
Datasheet
100In Stock
Min.: 1
Mult.: 1

SMD/SMT 50 mOhms 1 W 0.5 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound
Datasheet
135In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT 50 mOhms 1 W 0.5 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - SMD 1watt .05ohm 1% SMD Wirewound
Datasheet
300In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT 50 mOhms 1 W 1 % 50 PPM / C 4224 10862
Ohmite Current Sense Resistors - Through Hole 100 AMP SHUNT 75 mV
Datasheet
18In Stock
Min.: 1
Mult.: 1

Bolt-On 0 Ohms 7.5 W 0.5 %
Ohmite Current Sense Resistors - Through Hole 1000 AMP SHUNT 75 mV
Datasheet
2In Stock
Min.: 1
Mult.: 1

Bolt-On 0 Ohms 75 W 0.5 %
Ohmite Current Sense Resistors - Through Hole 200 AMP SHUNT 75 mV
Datasheet
28In Stock
Min.: 1
Mult.: 1

Bolt-On 0 Ohms 15 W 0.5 %
Ohmite Current Sense Resistors - Through Hole 500 AMP SHUNT 75 mV
Datasheet
7In Stock
Min.: 1
Mult.: 1

Bolt-On 0 Ohms 37.5 W 0.5 %
Ohmite Current Sense Resistors - Through Hole 0.5W .010 ohms 1%
Datasheet
1,018In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 10 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .015 ohms 1%
Datasheet
250In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 15 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .020 ohms 1%
Datasheet
240In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 20 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .025 ohms 1%
Datasheet
861In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 25 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .030 ohms 1%
Datasheet
758In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 30 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .050 ohms 1%
Datasheet
283In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 50 mOhms 500 mW (1/2 W) 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 1W .100 ohms 1%
Datasheet
1,525In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 100 mOhms 1 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .025 ohms 1%
Datasheet
1,542In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 25 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2W .050 ohms 1%
Datasheet
1,434In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 50 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 1.0m ohm 0.5% Metal Clad
Datasheet
1In Stock
Min.: 1
Mult.: 1

Bolt-On 1 mOhms 10 W 0.5 % 30 PPM / C
Ohmite Current Sense Resistors - Through Hole 0.5W .020 ohms 1%
Datasheet
37In Stock
Min.: 1
Mult.: 1

Axial 20 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - SMD 2W 0.01 ohm 1%
Datasheet
3In Stock
20,000Expected 16/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

SMD/SMT 10 mOhms 2 W 1 % 50 PPM / C 2512 6432
Ohmite Current Sense Resistors - Through Hole 3watts 0.05OHMS 1%
Datasheet
1,808On Order
Min.: 1
Mult.: 1

Axial 50 mOhms 3 W 1 % 50 PPM / C
Ohmite Current Sense Resistors - SMD 1W .025 Ohm 1%
Datasheet
6,000Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT 25 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed)