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 ECAD Model Packaging
Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
Length
Width
Height
Minimum Operating Temperature
Maximum Operating Temperature
Technology
Termination
Termination Style
Ohmite Current Sense Resistors - SMD 0.03 ohm 0.5% 5W
Datasheet
1.414In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 30 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 5 mm (0.197 in) 11 mm (0.43 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.02 ohm 0.5% 4W
Datasheet
1.912In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 20 mOhms 4 W 0.5 % 50 PPM / C 1835 (Reversed) 4590 (Reversed) 4.5 mm (0.177 in) 8.9 mm (0.35 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 4watt .05ohm 1% Metal Foil
Datasheet
1.900In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 50 mOhms 4 W 1 % 50 PPM / C 1835 (Reversed) 4590 (Reversed) 4.5 mm (0.177 in) 8.9 mm (0.35 in) 1.6 mm (0.063 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.03ohm .5% 4 Terminal
Datasheet
316In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel LVK 30 mOhms 750 mW (3/4 W) 0.5 % 50 PPM / C 2010 5025 5 mm (0.197 in) 2.5 mm (0.098 in) 0.5 mm (0.02 in) - 40 C + 125 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.047ohm 1% 4 Terminal
Datasheet
980In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel LVK 47 mOhms 1 W 1 % 50 PPM / C 2412 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) - 40 C + 125 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 2W 0.02 Ohms 1%
Datasheet
302In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 20 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed) 3.1 mm (0.122 in) 6.3 mm (0.248 in) 1.2 mm (0.047 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 10W 0.02 Ohms 1%
Datasheet
82In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

Reel, Cut Tape, MouseReel FCSL 20 mOhms 10 W 1 % 100 PPM / C 3059 (Reversed) 75150 (Reversed) 7.5 mm (0.295 in) 15 mm (0.59 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 2W 0.015 Ohms 1%
Datasheet
647In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 15 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed) 3.1 mm (0.122 in) 6.3 mm (0.248 in) 1.2 mm (0.047 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.025 ohm 1% 1.0W
Datasheet
4.695In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel FCSL 25 mOhms 1 W 1 % 50 PPM / C 0508 (Reversed) 1220 (Reversed) 1.25 mm (0.049 in) 2 mm (0.079 in) 0.6 mm (0.024 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 2watt .002ohm 2% Metal Foil
Datasheet
2.421In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 2 mOhms 2 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 3.1 mm (0.122 in) 6.3 mm (0.248 in) 1.2 mm (0.047 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.047ohm 1% 4 Terminal
Datasheet
2.882In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel LVK 47 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.5 mm (0.02 in) - 40 C + 125 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 0.025 ohm 0.5% 5W
Datasheet
935In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FCSL 25 mOhms 5 W 0.5 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 5 mm (0.197 in) 11 mm (0.43 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 10W 0.001 OHM 5 %
Datasheet
539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

Reel, Cut Tape, MouseReel FCSL 1 mOhms 10 W 5 % 100 PPM / C 3059 (Reversed) 75150 (Reversed) 7.5 mm (0.295 in) 15 mm (0.59 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 1/2W 0.00375 ohms 5%
Datasheet
1.857In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel 60S 3.75 mOhms 500 mW (1/2 W) 5 % 100 PPM / C 4012 10130 10 mm (0.394 in) 5.2 mm (0.205 in) 2 mm (0.079 in) - 40 C + 155 C Metal Element 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound
Datasheet
286In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel RW1 10 mOhms 1 W 1 % 50 PPM / C 4224 10862 10.8 mm (0.425 in) 6.2 mm (0.244 in) 2.1 mm (0.083 in) - 55 C + 125 C Wirewound 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 1W 0.003 ohms 5%
Datasheet
3.228In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Reel, Cut Tape, MouseReel 60S 3 mOhms 1 W 5 % 350 PPM / C 4412 11232 11.2 mm (0.441 in) 3.2 mm (0.126 in) 3.5 mm (0.138 in) - 40 C + 155 C Metal Element 2 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 5watt 0.002ohms 2% SMD
Datasheet
1.821In Stock
5.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 2 mOhms 5 W 2 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 11 mm (0.433 in) 5 mm (0.197 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 5watt 0.005ohms 1% SMD
Datasheet
8.310In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 5 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 11 mm (0.433 in) 5 mm (0.197 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 5watt 0.010ohms 1% SMD
Datasheet
3.662In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 10 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 11 mm (0.433 in) 5 mm (0.197 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 5watt 0.025ohms 1% SMD
Datasheet
1.542In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 25 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 11 mm (0.433 in) 5 mm (0.197 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 5watt 0.050ohms 1% SMD
Datasheet
2.354In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 50 mOhms 5 W 1 % 50 PPM / C 2043 (Reversed) 50110 (Reversed) 11 mm (0.433 in) 5 mm (0.197 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 1W .005 Ohm 1%
Datasheet
3.345In Stock
6.000Expected 3/24/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 5 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 1W .010 Ohm 1%
Datasheet
10.507In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 10 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 2W 0.002 ohm 2%
Datasheet
4.135In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 2 mOhms 2 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT
Ohmite Current Sense Resistors - SMD 2W 0.010 ohm 1%
Datasheet
2.959In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Reel, Cut Tape, MouseReel FC4L 10 mOhms 2 W 1 % 50 PPM / C 1225 (Reversed) 3263 (Reversed) 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) - 55 C + 155 C Metal Foil 4 Terminal SMD/SMT