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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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
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 2T WPC2512 2W 100ppm 1 mOhm +/-1.0%
Datasheet
7,791In Stock
Min.: 1
Mult.: 1
: 4,000

Reel, Cut Tape 1 mOhms 2 W 1 % 100 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WPC2512 3W 50ppm 8 mOhm +/-1.0%
Datasheet
7,260In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Reel, Cut Tape, MouseReel 8 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CA0612 1W 100ppm 3 mOhm +/-1.0%
Datasheet
5,248In Stock
Min.: 1
Mult.: 1
: 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
3,056In Stock
Min.: 1
Mult.: 1
: 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 5 mOhm +/-1.0%
Datasheet
1,533In Stock
5,000Expected 12/8/2026
Min.: 1
Mult.: 1
: 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 L4CC0306 0.33W 50ppm 8 mOhm +/-1.0%
Datasheet
4,867In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel 8 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 50 mOhm +/-1.0%
Datasheet
4,511In Stock
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 50 mOhms 330 mW (1/3 W) 1 % 50 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
3,217In Stock
10,000Expected 12/16/2026
Min.: 1
Mult.: 1
: 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 WJC0805 JUMP, 0 Ohm
Datasheet
3,000In Stock
15,000Expected 12/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel 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
Littelfuse Current Sense Resistors - SMD 2T WJC1206 JUMP, 0 Ohm
Datasheet
9,968In Stock
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 200 uOhms 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.4 mm (0.016 in) + 5 C + 35 C SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WPC2512 2W 50ppm 2 mOhm +/-1.0%
Datasheet
7,029In Stock
Min.: 1
Mult.: 1
: 4,000

Reel, Cut Tape 2 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WPC2512 2W 50ppm 5 mOhm +/-1.0%
Datasheet
7,526In Stock
Min.: 1
Mult.: 1
: 4,000

Reel, Cut Tape 5 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WPC2512 3W 50ppm 4 mOhm +/-1.0%
Datasheet
5,745In Stock
Min.: 1
Mult.: 1
: 3,000

Reel, Cut Tape 4 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WPC2512 3W 50ppm 5 mOhm +/-1.0%
Datasheet
4,485In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Reel, Cut Tape, MouseReel 5 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.9 mm (0.035 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 4T L4CC0306 0.33W 50ppm 5 mOhm +/-1.0%
Datasheet
5,000Expected 8/27/2026
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 5 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 6 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 6 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 7 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 7 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 9 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 9 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 11 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 11 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 12 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 12 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 13 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 13 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 14 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 14 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 15 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 15 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 16 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape 16 mOhms 330 mW (1/3 W) 1 % 50 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 4T L4CC0306 0.33W 50ppm 18 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Reel 18 mOhms 330 mW (1/3 W) 1 % 50 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