Current Sense Resistors

Littelfuse Current Sense Resistors provide an optimal solution for measuring current flow to provide control and overcurrent protection. These resistors feature AEC-Q200-compliant models, surface-mount designs, and high-current options. Suitable applications include power management, servers, and low ESL environments. Littelfuse Current Sense Resistors are designed to exhibit excellent performance in noise suppression, resistance, and surface heat distribution.

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Qty. RoHS ECAD Model Packaging
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
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 100ppm 3 mOhm +/-1.0%
Datasheet
8,949In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 3 mOhms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 100ppm 4 mOhm +/-1.0%
Datasheet
7,827In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 4 mOhms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 6 mOhm +/-1.0%
Datasheet
8,807In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 6 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 7 mOhm +/-1.0%
Datasheet
9,187In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 7 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 9 mOhm +/-1.0%
Datasheet
9,854In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 9 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 15 mOhm +/-1.0%
Datasheet
7,282In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 15 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 22 mOhm +/-1.0%
Datasheet
41In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 22 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 10 mOhm +/-0.5%
Datasheet
8,883In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 10 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 12 mOhm +/-0.5%
Datasheet
9,835In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 12 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 20 mOhm +/-0.5%
Datasheet
9,791In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 20 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 24 mOhm +/-0.5%
Datasheet
9,610In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 24 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 30 mOhm +/-0.5%
Datasheet
9,391In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel 30 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 50 mOhm +/-0.5%
Datasheet
7,036In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 50 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 75 mOhm +/-0.5%
Datasheet
9,770In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 75 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL1206 0.5W 30ppm 100 mOhm +/-0.5%
Datasheet
7,816In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel 100 mOhms 500 mW (1/2 W) 0.5 % 30 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL2512 1W 30ppm 10 mOhm +/-1.0%
Datasheet
7,262In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel 10 mOhms 1 W 1 % 30 PPM / C 2512 6332 6.3 mm (0.248 in) 3.1 mm (0.122 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CL2512 1W 30ppm 20 mOhm +/-1.0%
Datasheet
7,990In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape 20 mOhms 1 W 1 % 30 PPM / C 2512 6332 6.3 mm (0.248 in) 3.1 mm (0.122 in) 0.6 mm (0.024 in) - 55 C + 170 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WJC0402 JUMP, 0 Ohm
Datasheet
35,126In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel 500 uOhms 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.3 mm (0.012 in) + 5 C + 35 C SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 5 mOhm +/-1.0%
Datasheet
4,637In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 5 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 8 mOhm +/-1.0%
Datasheet
3,445In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 8 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 50ppm 10 mOhm +/-1.0%
Datasheet
6,931In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 10 mOhms 1 W 1 % 50 PPM / C 0612 (Reversed) 1632 (Reversed) 1.55 mm (0.061 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) Thick Film Standard SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CC0306 0.33W 100ppm 1 mOhm +/-1.0%
Datasheet
964In Stock
5,000Expected 26/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel 1 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 0306 (Reversed) 0816 (Reversed) 0.8 mm (0.031 in) 1.6 mm (0.063 in) 0.55 mm (0.022 in) + 5 C + 35 C Thick Film 4 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WJC0201 JUMP, 0 Ohm
Datasheet
9,610In Stock
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape 1 mOhms 0201 0603 0.6 mm (0.024 in) 0.3 mm (0.012 in) 0.25 mm (0.01 in) + 5 C + 35 C SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WJC0603 JUMP, 0 Ohm
Datasheet
8,628In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 0 Ohms 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.35 mm (0.014 in) + 5 C + 35 C SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WJC0805 JUMP, 0 Ohm
Datasheet
5,744In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 200 uOhms 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.4 mm (0.016 in) + 5 C + 35 C SMD/SMT