OARS Open Air Sense Resistors

IRC / TT Electronics OARS Open Air Sense Resistors are rated for 1W at 85°C (2W at 25°C) with resistance values from 0.002Ω to 0.05Ω with tolerances down to +1%. They feature TCRs as low as +20ppm/°C and inductance values in the single‐digit nanohenry range. Operating range is ‐40°C to +125°C. IRC / TT Electronics OARS Open Air Sense Resistors offer compliant terminations that allow them to expand and contract with the PC board's thermal cycling, enabling them to meet or exceed the 1000-2000 cycles required by most automotive manufacturers. This thermal cycling stresses the solder joints of conventional flat chip resistors, which can often cause failure. The unique lead form of the OARS resistors provides an inherent advantage in compliance to the mechanical stress caused by thermal cycling. The welded copper terminals in the OARS Open Air Sense Resistors also provide a low resistance terminal to enhance reliable performance for demanding applications.

Results: 77
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) 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 Length Width Height Minimum Operating Temperature Maximum Operating Temperature Technology Termination Termination Style Qualification
BI Technologies / TT Electronics Current Sense Resistors - SMD .01 OHM 1W 1% 3.478In Stock
5.700Expected 4/16/2027
Cut Tape
$2.222
$1.287
$1.041
$779
Reel
$547
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 10 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 30 mOhms '1% 3.548In Stock
Cut Tape
$2.222
$1.287
$1.041
$779
Reel
$554
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 30 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 0.02 ohm 1% 2W Sense Resistor 3.743In Stock
Cut Tape
$2.222
$1.287
$1.041
$779
Reel
$493
Min.: 1
Mult.: 1
: 3.800
Reel, Cut Tape, MouseReel OARS 20 mOhms 2 W 1 % 20 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 55 C + 160 C Metal Element 2 Terminal SMD/SMT
BI Technologies / TT Electronics Current Sense Resistors - SMD .015 OHM 1% 95In Stock
3.800Expected 2/26/2027
Cut Tape
$2.222
$1.287
$1.041
$779
Reel
$562
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 15 mOhms 1 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD .020 OHM 1% 25In Stock
2.400Expected 1/8/2027
Cut Tape
$2.974
$1.754
$1.515
$1.253
Reel
$976
Min.: 1
Mult.: 1
: 1.200
Reel, Cut Tape, MouseReel OARS 20 mOhms 5 W 1 % 40 PPM / C 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.01 5% 2.629In Stock
Cut Tape
$2.085
$1.208
$976
$730
Reel
$520
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 10 mOhms 2 W 5 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD .040 OHM 5% 1.439In Stock
Cut Tape
$2.085
$1.208
$976
$730
Reel
$520
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 40 mOhms 2 W 5 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.010 ohm 1% 19In Stock
Cut Tape
$2.780
$1.698
$1.561
$1.230
Reel
$902
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 10 mOhms 3 W 1 % 40 PPM / C 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.02 5% 1.770In Stock
Cut Tape
$2.085
$1.208
$976
$730
Reel
$513
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD ZERO OHM
2.905Expected 4/2/2027
Cut Tape
$1.880
$1.101
$988
$779
Reel
$572
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 0 Ohms 2 W 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.004 ohm 1% 526In Stock
Cut Tape
$2.780
$1.698
$1.561
$1.230
Reel
$738
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 4 mOhms 3 W 1 % 40 PPM / C 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.015 ohm 1% 28In Stock
3.800Expected 4/16/2027
Cut Tape
$2.780
$1.698
$1.561
$1.230
Reel
$902
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 15 mOhms 3 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.003 1% 1.824In Stock
Cut Tape
$1.424
$966
$807
$727
Reel
$540
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 3 mOhms 2 W 1 % 240 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.51 mm (0.138 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.003 ohm 1% 1.596In Stock
Cut Tape
$2.780
$1.698
$1.561
$1.230
Reel
$902
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 3 mOhms 3 W 1 % 240 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.51 mm (0.138 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 0.03 ohm 1% 2W Sense Resistor 3.444In Stock
Cut Tape
$2.222
$1.287
$1.041
$779
Reel
$554
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 30 mOhms 2 W 1 % 20 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 55 C + 160 C Metal Element 2 Terminal SMD/SMT
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 0.005 1% 9.311In Stock
9.500Expected 5/7/2027
Cut Tape
$1.857
$1.230
$944
$752
Reel
$594
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 5 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 0.02 Ohms 1% 3.756In Stock
19.000On Order
Cut Tape
$2.210
$1.276
$1.040
$778
Reel
$553
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 20 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 40 mOhms '1% 3.852In Stock
Cut Tape
$2.222
$1.287
$1.041
$812
Reel
$554
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 40 mOhms 1 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.002 ohm 5% 6.455In Stock
Cut Tape
$2.666
$1.629
$1.492
$1.219
Reel
$862
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 2 mOhms 3 W 1 % 240 PPM / C 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.005 ohm 1% 3.798In Stock
Cut Tape
$2.768
$1.686
$1.549
$1.219
Reel
$856
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 5 mOhms 3 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD .0025 OHM 1% 1.982In Stock
2.400Expected 10/27/2026
Cut Tape
$3.463
$2.233
$1.754
$1.447
Reel
$1.136
Min.: 1
Mult.: 1
: 1.200
Reel, Cut Tape, MouseReel OARS 2.5 mOhms 5 W 1 % 40 PPM / C 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD .005 OHM 1% 4.896In Stock
Cut Tape
$2.563
$1.789
$1.549
$1.447
Reel
$1.136
Min.: 1
Mult.: 1
: 1.200
Reel, Cut Tape, MouseReel OARS 5 mOhms 5 W 1 % 40 PPM / C 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 1% 1.300In Stock
7.600On Order
Cut Tape
$2.210
$1.276
$1.040
$778
Reel
$553
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 10 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 2W 25 mOhms '1% 1.364In Stock
9.500Expected 3/12/2027
Cut Tape
$1.960
$1.185
$941
$760
Reel
$547
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 25 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 0.05 OHM 1% 4In Stock
17.100On Order
Cut Tape
$2.017
$1.219
$971
$795
Reel
$547
Min.: 1
Mult.: 1
: 1.900
Reel, Cut Tape, MouseReel OARS 50 mOhms 2 W 1 % 40 PPM / C 11.18 mm (0.44 in) 3.18 mm (0.125 in) 3.05 mm (0.12 in) - 40 C + 125 C Metal Element 2 Terminal SMD/SMT AEC-Q200