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.

Types of Current Sense Resistors
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Qty. RoHS ECAD Model Resistance
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Tolerance
Temperature Coefficient
Termination Style
Case Code - in
Case Code - mm
Ohmite Current Sense Resistors - Through Hole 2watts 0.1OHMS 1%
Datasheet
1,144In Stock
Min.: 1
Mult.: 1

100 mOhms 2 W 1 % 50 PPM / C Axial
Ohmite Current Sense Resistors - SMD 0.03 ohm 0.5% 5W
Datasheet
1,293In Stock
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Min.: 1
Mult.: 1
: 1,000

30 mOhms 5 W 0.5 % 50 PPM / C SMD/SMT 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 4W
Datasheet
1,874In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

20 mOhms 4 W 0.5 % 50 PPM / C SMD/SMT 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - Through Hole 2W .050 ohms 1%
Datasheet
3,790In Stock
Min.: 1
Mult.: 1
: 1,000

50 mOhms 2 W 1 % 100 PPM / C Axial
Ohmite Current Sense Resistors - SMD 1W 0.003 ohms 5%
Datasheet
3,166In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

3 mOhms 1 W 5 % 350 PPM / C SMD/SMT 4412 11232
Ohmite Current Sense Resistors - SMD 0.05 ohm 0.5% 5W
Datasheet
1,196In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

50 mOhms 5 W 0.5 % 50 PPM / C SMD/SMT 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 10W 0.001 OHM 5 %
Datasheet
536In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

1 mOhms 10 W 5 % 100 PPM / C SMD/SMT 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - Through Hole 0.5W .005 ohms 1%
Datasheet
3,977In Stock
Min.: 1
Mult.: 1
: 1,000

5 mOhms 500 mW (1/2 W) 1 % 300 PPM / C Axial
Ohmite Current Sense Resistors - Through Hole 1W .010 ohms 1%
Datasheet
10,490In Stock
Min.: 1
Mult.: 1
: 1,000

10 mOhms 1 W 1 % 100 PPM / C Axial
Ohmite Current Sense Resistors - Through Hole 3watt .015ohm 1% 4 Lead Non-Inductive
Datasheet
51In Stock
Min.: 1
Mult.: 1

15 mOhms 3 W 1 % 60 PPM / C Radial
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 4W
Datasheet
1,931In Stock
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Mult.: 1
: 1,000

10 mOhms 4 W 0.5 % 50 PPM / C SMD/SMT 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - SMD 4watt .05ohm 1% Metal Foil
Datasheet
1,824In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

50 mOhms 4 W 1 % 50 PPM / C SMD/SMT 1835 (Reversed) 4590 (Reversed)
Ohmite Current Sense Resistors - Through Hole 2watts 0.005OHMS 1%
Datasheet
785In Stock
Min.: 1
Mult.: 1

5 mOhms 2 W 1 % 100 PPM / C Axial
Ohmite Current Sense Resistors - Through Hole 1.5watt .01ohm 3%
Datasheet
4,964In Stock
Min.: 1
Mult.: 1

10 mOhms 1.5 W 3 % Axial
Ohmite Current Sense Resistors - SMD 0.005 ohm 0.5% 5W
Datasheet
1,644In Stock
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Mult.: 1
: 1,000

5 mOhms 5 W 0.5 % 50 PPM / C SMD/SMT 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.02ohm .5% 4 Terminal
Datasheet
6,644In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

20 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C SMD/SMT 2010 5025
Ohmite Current Sense Resistors - SMD 0.03ohm .5% 4 Terminal
Datasheet
1,866In Stock
MouseReel Available
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Mult.: 1
: 1,000

30 mOhms 1 W 0.5 % 50 PPM / C SMD/SMT 2412 6432
Ohmite Current Sense Resistors - SMD 10W 0.050 OHM 1 %
Datasheet
734In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

50 mOhms 10 W 1 % 100 PPM / C SMD/SMT 3059 (Reversed) 75150 (Reversed)
Ohmite Current Sense Resistors - SMD 1W 0.02 ohm 1%
Datasheet
30,061In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

20 mOhms 1 W 1 % 50 PPM / C SMD/SMT 1307 3317
Ohmite Current Sense Resistors - Through Hole 0.5W .100 ohms 1%
Datasheet
4,503In Stock
Min.: 1
Mult.: 1
: 1,000

100 mOhms 500 mW (1/2 W) 1 % 100 PPM / C Axial
Ohmite Current Sense Resistors - Through Hole 3watt .005ohm 1% 4 Lead Non-Inductive
Datasheet
57In Stock
Min.: 1
Mult.: 1

5 mOhms 3 W 1 % 60 PPM / C Radial
Ohmite Current Sense Resistors - SMD 0.01 ohm 0.5% 5W
Datasheet
4,094In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

10 mOhms 5 W 0.5 % 50 PPM / C SMD/SMT 2043 (Reversed) 50110 (Reversed)
Ohmite Current Sense Resistors - SMD 0.03ohm .5% 4 Terminal
Datasheet
291In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

30 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C SMD/SMT 2010 5025
Ohmite Current Sense Resistors - Through Hole 4watt .005ohm 1%
Datasheet
257In Stock
Min.: 1
Mult.: 1

5 mOhms 4 W 1 % 1100 PPM / C Axial
Ohmite Current Sense Resistors - SMD 0.025 ohm 1% 1.0W
Datasheet
4,058In Stock
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Mult.: 1
: 5,000

25 mOhms 1 W 1 % 50 PPM / C SMD/SMT 0508 (Reversed) 1220 (Reversed)