LRMA Low Resistance Metal Alloy Resistors

Welwyn / TT Electronics LRMA Low Resistance Metal Alloy Resistors offer metal element construction, good surge performance, and low TCR down to 50ppm/°C. These resistors are halogen free, RoHS compliant, and AEC-Q200 certified for automotive applications. Specific applications for Welwyn / TT Electronics LRMA Low Resistance Metal Alloy Resistors include power supplies, small motor control, medical PSU, and battery chargers.

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Qty. RoHS ECAD Model Packaging
Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
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Height
Minimum Operating Temperature
Maximum Operating Temperature
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Welwyn Components / TT Electronics Current Sense Resistors - SMD 3W 0.057K Ohm 1%
Datasheet
2.515In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 57 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 100mOhms 1% Power
Datasheet
2.826In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 100 mOhms 2 W 1 % 50 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD SMD 2W 200mOhm 1%
Datasheet
2.881In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 200 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3W 0.27 Ohm 1%
Datasheet
3.484In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 270 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2010 50mOhms 1% Standard
Datasheet
937In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 50 mOhms 1.5 W 1 % 75 PPM / C 2010 5025 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2010 100mOhms 1% Standard
Datasheet
556In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 100 mOhms 1.5 W 1 % 75 PPM / C 2010 5025 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1.5W 5 mOhm 1% Metal Strip resistor
Datasheet
3.913In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 5 mOhms 1.5 W 1 % 75 PPM / C 2010 5025 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2010 15mOhms 1% Standard
Datasheet
3.440In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 2010 5025 2 Terminal AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1.5W 10 mOhm 1% Metal Strip resistor
Datasheet
3.860In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 10 mOhms 1.5 W 1 % 75 PPM / C 2010 5025 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1.5W 20 mOhm 1% Metal Strip resistor
Datasheet
3.300In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 20 mOhms 1.5 W 1 % 75 PPM / C 2010 5025 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 10mOhms 1% Standard
Datasheet
6.786In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 10 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 30mOhms 1% Standard
Datasheet
3.956In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 30 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 40mOhms 1% Standard
Datasheet
280In Stock
4.000Expected 12/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 40 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 50mOhms 1% Standard
Datasheet
4.315In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 50 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 2mOhms 1% Standard
Datasheet
5.724In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 2 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 3mOhms 1% Standard
Datasheet
1.749In Stock
4.000Expected 9/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 3 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 4mOhms 1% Standard
Datasheet
3.999In Stock
4.000Expected 12/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 4 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 12mOhms 1% Standard
Datasheet
4.287In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 12 mOhms 1 W 1 % 100 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2W 0.1 Ohm 1%
Datasheet
3.247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 100 mOhms 1 W 1 % 75 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 15mOhms 1% Standard
Datasheet
6In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 2512 6330 2 Terminal AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 0.5W 5 mOhm 1% Metal Strip resistor
Datasheet
10.000Expected 9/30/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel LRMA 5 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 0805 2012 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 1206 25mOhms 1% Low Thermal
Datasheet
10.000Expected 9/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel LRMA 25 mOhms 1 W 1 % 50 PPM / C 1206 3216 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 50mOhms 1% Low Thermal
Datasheet
3.990Expected 8/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 50 mOhms 1 W 1 % 75 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 3W 0.006 Ohm 1%
Datasheet
2.678Expected 10/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 6 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200
Welwyn Components / TT Electronics Current Sense Resistors - SMD 2512 15mOhms 1% Power
Datasheet
2.091Expected 10/13/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Reel, Cut Tape, MouseReel LRMA 15 mOhms 3 W 1 % 50 PPM / C 2512 6432 - 55 C + 170 C Metal Element 2 Terminal SMD/SMT AEC-Q200