ULR Current Sense Resistors

TT Electronics ULR Current Sense Resistors are designed with low TCR and inductance for current sense circuits in power electronic systems. The ULR series feature 1W to 3W power ratings in 2512 chip sizes and a 0.5mΩ to 10mΩ resistance. The higher wattage devices feature PCB clearance gap to maximize thermal performance.

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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
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.0025 OHM 1%
Datasheet
3.543In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 2.5 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2.5W 0.005 OHM 1%
Datasheet
4.950In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 5 mOhms 2.5 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.0005 OHM 1% 1.170In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 500 uOhms 1 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 1.25 mm (0.049 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.002 OHM 1% 1.004In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 2 mOhms 1 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.35 mm (0.014 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.0015 OHM 1% 568In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 1.5 mOhms 1 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.45 mm (0.018 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.001 OHM 1% 511In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 1 mOhms 1 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.0015 OHM 1%
Datasheet
1.451In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 1.5 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.45 mm (0.018 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.0025 OHM 1%
Datasheet
1.395In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 2.5 mOhms 1 W 1 % 150 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.001 OHM 1%
Datasheet
910In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 1 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2.5W 0.006 OHM 1%
Datasheet
953In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 6 mOhms 2.5 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.003 OHM 1%
Datasheet
2.211In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 3 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.002 OHM 1%
Datasheet
1.912In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 2 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.35 mm (0.014 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.010 OHM 1%
Datasheet
559In Stock
2.000Expected 24/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 10 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.0005 OHM 1%
Datasheet
793In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 500 uOhms 3 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.0015 OHM 1%
Datasheet
63In Stock
4.000Expected 24/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 1.5 mOhms 3 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.005 OHM 1%
Datasheet
2.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 5 mOhms 1 W 1 % 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 1.25 mm (0.049 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W .00075 OHM 1%
Datasheet
1.309Expected 19/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 750 uOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 1 mm (0.039 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 1W 0.003 OHM 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 3 mOhms 1 W 1 % 150 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.0005 OHM 1%
Datasheet
Non-Stocked Lead-Time 25 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 500 uOhms 2 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 1.25 mm (0.049 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2.5W 0.0035 OHM 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 2.000
Mult.: 2.000
Reel: 4.000

Reel, Cut Tape, MouseReel ULR 3.5 mOhms 2.5 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2.5W 0.004 OHM 1%
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 4.000
Mult.: 4.000
Reel: 4.000

Reel ULR 4 mOhms 2.5 W 1 % 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.007 OHM 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 7 mOhms 2 W 1 % 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.008 OHM 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 8 mOhms 2 W 1 % 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD 2W 0.009 OHM 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 9 mOhms 2 W 1 % 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT
IRC / TT Electronics Current Sense Resistors - SMD SMD 3W 0.75mOhm 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Reel, Cut Tape, MouseReel ULR 750 uOhms 3 W 1 % 50 PPM / C 2512 6432 6.3 mm (0.248 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) - 55 C + 170 C Metal Element 2 Terminal SMD/SMT