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.

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Description Datasheet Availability Pricing (INR) 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 .030 OHM 5%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,900

Reel, Cut Tape, MouseReel OARS 30 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 .03 OHM 1W 5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 30 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 .04 OHM 1W 5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel 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 .05 OHM 1W 5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 50 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 2 mOhms '1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 3 mOhms '5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 0.004 ohm 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 4 mOhms '5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 5 mOhms '5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 10 mOhms '5%
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 10 mOhms 3 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 SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 3W 15 mOhms '5%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 11.56 mm (0.455 in) 3.56 mm (0.14 in) 3.51 mm (0.138 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.003 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 3 mOhms 1 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.005 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 5 mOhms 1 W 1 % 40 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.015 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 15 mOhms 1 W 1 % 40 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.02 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 20 mOhms 1 W 1 % 40 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.025 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 25 mOhms 1 W 1 % 40 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 1W 0.03 ohm 1%
Datasheet
Non-Stocked
Min.: 3,800
Mult.: 1,900
Reel: 1,900

Reel OARS 30 mOhms 1 W 1 % 40 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 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 1 mOhm '5%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,200

Reel, Cut Tape, MouseReel OARS 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 2.5 mOhms '5%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 2 mOhms '5%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 5 mOhms '5%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 5 mOhms 5 W 5 % 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 5W 7.5 mOhms '1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,200

Reel, Cut Tape, MouseReel OARS 7.5 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 5W 7.5 mOhms '5%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 12 mm (0.472 in) 6.35 mm (0.25 in) 4.57 mm (0.18 in) Metal Element 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 12.5 mOhms '1%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 2 Terminal SMD/SMT AEC-Q200
BI Technologies / TT Electronics Current Sense Resistors - SMD 5W 12.5 mOhms '5%
Datasheet
Non-Stocked
Min.: 2,400
Mult.: 1,200
Reel: 1,200

Reel OARS 2 Terminal SMD/SMT AEC-Q200