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 (CAD) 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 50ppm 4 mOhm +/-1.0%
Datasheet
7,955In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape 4 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
7,936In Stock
Min.: 1
Mult.: 1
Reel: 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 2W 50ppm 8 mOhm +/-1.0%
Datasheet
7,940In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape 8 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 10 mOhm +/-1.0%
Datasheet
7,980In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape 10 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 100ppm 1 mOhm +/-1.0%
Datasheet
7,971In Stock
Min.: 1
Mult.: 1
Reel: 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 4 mOhm +/-1.0%
Datasheet
5,745In Stock
Min.: 1
Mult.: 1
Reel: 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
7,065In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 2T WPC2512 3W 50ppm 8 mOhm +/-1.0%
Datasheet
7,260In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 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 L4CC0306 0.33W 50ppm 8 mOhm +/-1.0%
Datasheet
4,897Expected 2026-03-26
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 10 mOhm +/-1.0%
Datasheet
4,934Expected 2026-05-05
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 10 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 WJC1206 JUMP, 0 Ohm
Datasheet
9,975Expected 2026-04-28
Min.: 1
Mult.: 1
Reel: 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 4T L4CC0306 0.33W 50ppm 5 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

Reel 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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 13 Weeks
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape 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 13 Weeks
Min.: 1
Mult.: 1
Reel: 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 13 Weeks
Min.: 1
Mult.: 1
Reel: 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 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 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
Littelfuse Current Sense Resistors - SMD 4T L4CC0306 0.33W 50ppm 20 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

Reel 20 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 21 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

Reel 21 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