LRF3W Low Value 3W Chip Resistors

Welwyn / TT Electronics LRF3W Low Value 3W Chip Resistors offer 3W power in a 1225 package. LRF3W offers a 0.003Ω to 0.1Ω resistance range and tolerances of up to ±1%. These Welwyn / TT Electronics AEC-Q200 qualified chip resistors also provide low thermal impedance and wide terminations for enhanced robustness. LRF3W operates in a -55°C to +150°C temperature range.

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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
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
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Welwyn Components / TT Electronics Current Sense Resistors - SMD 1225 5 mOhms 5% Tol. AEC-Q200
Datasheet
3,617In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 5 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 10 mOhms 5%
Datasheet
4,976In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 10 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
IRC / TT Electronics Current Sense Resistors - SMD .005 OHM 1% 3W 100PPM
Datasheet
908In Stock
1,800Expected 2026-09-07
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 5 mOhms 3 W 1 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.76 mm (0.03 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD .1 OHM 3W 1%
Datasheet
635In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,800
No
Reel, Cut Tape, MouseReel LRF3W 100 mOhms 3 W 1 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3 mOhms 5%
Datasheet
31In Stock
3,600Expected 2026-08-04
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 3 mOhms 3 W 5 % 550 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 20 mOhms 5%
Datasheet
1,126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 20 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.5 mm (0.256 in) 3.25 mm (0.128 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1225 100 mOhms 5% Tol. AEC-Q200
Datasheet
2,086In Stock
3,600Expected 2026-08-25
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 100 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.04 Ohms 1%
Datasheet
3,275Expected 2026-08-24
MouseReel Available
Min.: 1
Mult.: 1
: 1,800
Reel, Cut Tape, MouseReel LRF3W 40 mOhms 3 W 1 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1225 50 mOhms 5% Tol. AEC-Q200
Datasheet
5,292Expected 2026-07-20
MouseReel Available
Min.: 1
Mult.: 1
: 1,800

Reel, Cut Tape, MouseReel LRF3W 50 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
IRC / TT Electronics Current Sense Resistors - SMD 3W CHIP RES .012 OHM 1%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 12 mOhms 3 W 1 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 3.3 mOhms 3 W 5 % 550 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 3.6 mOhms 3 W 5 % 550 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 3.9 mOhms 3 W 5 % 550 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 4 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 4.3 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 4 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 4.7 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD .004 ohm 5% 3W AEC-Q200
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 4 mOhms 3 W 5 % 550 PPM / C 2512 6532 6 mm (0.236 in) 3.25 mm (0.128 in) 0.94 mm (0.037 in) - 55 C + 150 C 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 5 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 5.1 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 5 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 5.6 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 6 mOhms 2%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 6.2 mOhms 3 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 6 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 6.2 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 6 mOhms 2%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 6.8 mOhms 3 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 6 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 6.8 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 7 mOhms 2%
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 7.5 mOhms 3 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 7 mOhms 5%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 7.5 mOhms 3 W 5 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 8 mOhms 2%
Datasheet
Non-Stocked
Min.: 3,600
Mult.: 1,800
: 1,800

Reel LRF3W 8.2 mOhms 3 W 2 % 100 PPM / C 1225 (Reversed) 3263 (Reversed) 6.35 mm (0.25 in) 3.18 mm (0.125 in) 0.98 mm (0.039 in) - 55 C + 150 C Thick Film 4 Terminal SMD/SMT AEC-Q200