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.

Results: 26
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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
IRC / TT Electronics Current Sense Resistors - SMD 3W 0.0015 OHM 1% 7,031In Stock
Cut Tape
$1.97
$1.13
$0.926
$0.692
Reel
$0.492
Min.: 1
Mult.: 1
: 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 0.0005 OHM 1% 1,905In Stock
Cut Tape
$1.14
$0.654
$0.533
$0.411
Reel
$0.299
Min.: 1
Mult.: 1
: 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 2W 0.0015 OHM 1% 1,774In Stock
Cut Tape
$1.03
$0.592
$0.483
$0.371
Reel
$0.271
Min.: 1
Mult.: 1
: 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 3W 0.0025 OHM 1% 1,471In Stock
2,000Expected 2026/10/09
Cut Tape
$1.97
$1.13
$0.926
$0.692
Reel
$0.492
Min.: 1
Mult.: 1
: 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 1W 0.0015 OHM 1% 568In Stock
Cut Tape
$1.05
$0.604
$0.492
$0.379
Reel
$0.276
Min.: 1
Mult.: 1
: 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% 322In Stock
Cut Tape
$1.05
$0.604
$0.492
$0.379
Reel
$0.276
Min.: 1
Mult.: 1
: 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 1W 0.0025 OHM 1% 547In Stock
2,000Expected 2027/03/02
Cut Tape
$1.05
$0.604
$0.492
$0.379
Reel
$0.276
Min.: 1
Mult.: 1
: 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% 800In Stock
Cut Tape
$1.72
$0.985
$0.804
$0.601
Reel
$0.459
Min.: 1
Mult.: 1
: 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% 926In Stock
Cut Tape
$1.97
$1.13
$0.926
$0.692
Reel
$0.492
Min.: 1
Mult.: 1
: 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 1W 0.005 OHM 1% 1,490In Stock
Cut Tape
$1.14
$0.654
$0.533
$0.411
Reel
$0.299
Min.: 1
Mult.: 1
: 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% 104In Stock
Cut Tape
$1.72
$0.985
$0.804
$0.601
Reel
$0.427
Min.: 1
Mult.: 1
: 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 0.002 OHM 1% 604In Stock
Cut Tape
$1.05
$0.604
$0.492
$0.379
Reel
$0.276
Min.: 1
Mult.: 1
: 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 3W 0.003 OHM 1% 1,750In Stock
Cut Tape
$2.00
$1.15
$0.941
$0.704
Reel
$0.452
Min.: 1
Mult.: 1
: 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 2.5W 0.005 OHM 1% 2,533In Stock
4,000Expected 2026/12/17
Cut Tape
$1.97
$1.13
$0.926
$0.692
Reel
$0.492
Min.: 1
Mult.: 1
: 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 2W 0.010 OHM 1% 1,677In Stock
Cut Tape
$1.72
$0.985
$0.804
$0.601
Reel
$0.429
Min.: 1
Mult.: 1
: 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% 524In Stock
Cut Tape
$1.70
$0.996
$0.919
$0.726
Reel
$0.565
Min.: 1
Mult.: 1
: 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 2.5W 0.004 OHM 1%
3,650Expected 2027/02/01
Cut Tape
$1.97
$1.13
$0.926
$0.811
Reel
$0.811
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel 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 0.0005 OHM 1%
1,950Expected 2026/12/10
Cut Tape
$1.72
$0.985
$0.804
$0.601
Reel
$0.45
Min.: 1
Mult.: 1
: 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 2W 0.002 OHM 1%
1,927Expected 2027/02/22
Cut Tape
$1.71
$0.984
$0.802
$0.60
Reel
$0.426
Min.: 1
Mult.: 1
: 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 1W 0.003 OHM 1% Non-Stocked
Cut Tape
$1.05
$0.604
$0.492
$0.379
Reel
$0.276
Min.: 1
Mult.: 1
: 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 2.5W 0.0035 OHM 1% Non-Stocked
Cut Tape
$0.512
Reel
$0.434
$0.424
Min.: 2,000
Mult.: 2,000
: 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 2W 0.007 OHM 1% Non-Stocked
Cut Tape
$1.59
$0.915
$0.747
$0.558
Reel
$0.404
Min.: 1
Mult.: 1
: 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% Non-Stocked Lead-Time 30 Weeks
Cut Tape
$1.58
$0.914
$0.745
$0.697
Reel
$0.697
Min.: 1
Mult.: 1
: 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% Non-Stocked
Cut Tape
$1.59
$0.915
$0.747
$0.558
Reel
$0.404
Min.: 1
Mult.: 1
: 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% Non-Stocked
Cut Tape
$1.85
$1.07
$0.866
$0.648
Reel
$0.461
Min.: 1
Mult.: 1
: 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