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 4watt .05ohm 1% Metal Foil
Datasheet
1,940In Stock
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Reel: 1,000

SMD/SMT 50 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 1W 0.003 ohms 5%
Datasheet
3,228In Stock
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Mult.: 1
Reel: 1,500

SMD/SMT 3 mOhms 1 W 5 % 350 PPM / C 4412 11232
Ohmite Current Sense Resistors - SMD 10W 0.001 OHM 5 %
Datasheet
539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT 1 mOhms 10 W 5 % 100 PPM / C 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - Through Hole 0.5W .005 ohms 1%
Datasheet
4,034In Stock
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Mult.: 1
Reel: 1,000

Axial 5 mOhms 500 mW (1/2 W) 1 % 300 PPM / C
Ohmite Current Sense Resistors - Through Hole 1W .010 ohms 1%
Datasheet
4,737In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 10 mOhms 1 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - SMD 0.039ohm 1% 4 Terminal
Datasheet
2,369In Stock
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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
4,635In 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 1W .050 ohms 1%
Datasheet
3,560In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 50 mOhms 1 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - Through Hole 2watts 0.1OHMS 1%
Datasheet
1,395In 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
3,814In Stock
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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
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Reel: 1,000

SMD/SMT 30 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 2watt .005ohm 1% Metal Foil
Datasheet
6,904In Stock
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Mult.: 1
Reel: 1,000

SMD/SMT 5 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 4W
Datasheet
1,937In Stock
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Reel: 1,000

SMD/SMT 20 mOhms 4 W 0.5 % 50 PPM / C 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 2W 0.005 ohm 1%
Datasheet
14,883In Stock
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Reel: 4,000

SMD/SMT 5 mOhms 2 W 1 % 50 PPM / C 2512 6432
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
1,706In Stock
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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
4,367In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Axial 10 mOhms 2 W 1 % 100 PPM / C
Ohmite Current Sense Resistors - SMD 10W 0.025 OHM 1 %
Datasheet
1,012In Stock
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SMD/SMT 20 mOhms 10 W 1 % 100 PPM / C 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - SMD 0.05ohm .5% 4 Terminal
Datasheet
2,954In Stock
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Reel: 1,000

SMD/SMT 50 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 2W 0.015 Ohms 1%
Datasheet
647In Stock
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Reel: 1,000

SMD/SMT 15 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)
Ohmite Current Sense Resistors - SMD 0.03ohm .5% 4 Terminal
Datasheet
318In Stock
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Reel: 1,000

SMD/SMT 30 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025
Ohmite Current Sense Resistors - SMD 0.025 ohm 1% 1.0W
Datasheet
4,695In Stock
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Reel: 5,000

SMD/SMT 25 mOhms 1 W 1 % 50 PPM / C 0508 (Reversed) 1220 (Reversed)
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
140In Stock
Min.: 1
Mult.: 1

Axial 20 mOhms 500 mW (1/2 W) 3 % 100 PPM / C
Ohmite Current Sense Resistors - SMD 2W 0.02 Ohms 1%
Datasheet
332In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT 20 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed)