Current Sense Resistors - SMD – Mouser United Kingdom

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Packaging	Series	Resistance	Power Rating	Tolerance	Temperature Coefficient	Length	Width	Height	Minimum Operating Temperature	Maximum Operating Temperature	Technology	Termination	Termination Style	Qualification
Current Sense Resistors - SMD .010 OHM 1% OARSXPR010FLF BI Technologies / TT Electronics 1: £1.96 179In Stock 6,000Expected 19/02/2027	Mfr. Part No. OARSXPR010FLF Mouser Part No 66-OARSXPR010FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .010 OHM 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	179In Stock 6,000Expected 19/02/2027	Cut Tape £1.96 £1.19 £0.995 £0.834 Reel £0.647 View £0.759 £0.643 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	Reel, Cut Tape, MouseReel	OARS	10 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
Current Sense Resistors - SMD 0.015 ohm 1% 2W Sense Resistor OARS1-R015FI BI Technologies / TT Electronics 1: £1.47 4In Stock 3,800Expected 30/04/2027	Mfr. Part No. OARS1-R015FI Mouser Part No 756-OARS1-R015FI	BI Technologies / TT Electronics	Current Sense Resistors - SMD 0.015 ohm 1% 2W Sense Resistor	Datasheet	4In Stock 3,800Expected 30/04/2027	Cut Tape £1.47 £0.849 £0.686 £0.513 View Reel £0.361 £0.458 £0.397 £0.365 £0.361 MouseReel Available	Min.: 1 Mult.: 1 : 3,800	Reel, Cut Tape, MouseReel	OARS	15 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
Current Sense Resistors - SMD ZERO OHM JUMPER OARS-1ZLF BI Technologies / TT Electronics 1: £1.30 15In Stock 3,800Expected 03/12/2026	Mfr. Part No. OARS-1ZLF Mouser Part No 66-OARS-1ZLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD ZERO OHM JUMPER	Datasheet	15In Stock 3,800Expected 03/12/2026	Cut Tape £1.30 £0.759 £0.684 £0.54 Reel £0.39 View £0.463 £0.423 £0.39 £0.356 £0.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,900	Reel, Cut Tape, MouseReel	OARS											2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .003 OHM 5% OARS1R003JLF BI Technologies / TT Electronics 1: £1.31 383In Stock	Mfr. Part No. OARS1R003JLF Mouser Part No 66-OARS1R003JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .003 OHM 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	383In Stock	Cut Tape £1.31 £0.766 £0.685 £0.576 Reel £0.397 View £0.533 £0.465 £0.397 £0.396 MouseReel Available	Min.: 1 Mult.: 1 : 1,900	Reel, Cut Tape, MouseReel	OARS					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
Current Sense Resistors - SMD .025 OHM 1W 1% OARS1R025FTR-LF BI Technologies / TT Electronics 1: £1.47 3,755Expected 26/02/2027	Mfr. Part No. OARS1R025FTR-LF Mouser Part No 66-OARS1R025FTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .025 OHM 1W 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	3,755Expected 26/02/2027	Cut Tape £1.47 £0.849 £0.686 £0.513 View Reel £0.361 £0.458 £0.397 £0.361 £0.361 MouseReel Available	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	2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3W 0.015 ohm 1% OARS3R015FLF BI Technologies / TT Electronics 1: £1.83 3,768Expected 16/04/2027	Mfr. Part No. OARS3R015FLF Mouser Part No 66-OARS3R015FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 3W 0.015 ohm 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	3,768Expected 16/04/2027	Cut Tape £1.83 £1.12 £1.03 £0.811 View Reel £0.595 £0.684 £0.629 £0.595 £0.595 MouseReel Available	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
Current Sense Resistors - SMD .020 OHM 1% OARSXPR020FLF BI Technologies / TT Electronics 1: £1.96 2,395Expected 08/01/2027	Mfr. Part No. OARSXPR020FLF Mouser Part No 66-OARSXPR020FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .020 OHM 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	2,395Expected 08/01/2027	Cut Tape £1.96 £1.15 £0.995 £0.826 £0.759 Reel £0.646 MouseReel Available	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
Current Sense Resistors - SMD 0.003 ohm 1% 2W Sense Resistor OARS1-R003FI BI Technologies / TT Electronics 1: £1.37 5,855Expected 11/12/2026	Mfr. Part No. OARS1-R003FI Mouser Part No 756-OARS1-R003FI	BI Technologies / TT Electronics	Current Sense Resistors - SMD 0.003 ohm 1% 2W Sense Resistor	Datasheet	5,855Expected 11/12/2026	Cut Tape £1.37 £0.811 £0.722 £0.57 View Reel £0.418 £0.488 £0.447 £0.418 £0.418 MouseReel Available	Min.: 1 Mult.: 1 : 3,800	Reel, Cut Tape, MouseReel	OARS	3 mOhms	2 W	1 %	20 PPM / C	11.18 mm (0.44 in)	3.18 mm (0.125 in)	3.51 mm (0.138 in)	- 55 C	+ 160 C	Metal Element	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 0.005 ohm 1% 2W Sense Resistor OARS1-R005FI BI Technologies / TT Electronics 1: £1.37 3,300Expected 12/03/2027	Mfr. Part No. OARS1-R005FI Mouser Part No 756-OARS1-R005FI	BI Technologies / TT Electronics	Current Sense Resistors - SMD 0.005 ohm 1% 2W Sense Resistor	Datasheet	3,300Expected 12/03/2027	Cut Tape £1.37 £0.811 £0.722 £0.443 View Reel £0.372 £0.438 £0.40 £0.372 MouseReel Available	Min.: 1 Mult.: 1 : 3,800	Reel, Cut Tape, MouseReel	OARS	5 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
Current Sense Resistors - SMD 0.01 ohm 1% 2W Sense Resistor OARS1-R010FI BI Technologies / TT Electronics 1: £1.47 7,100On Order	Mfr. Part No. OARS1-R010FI Mouser Part No 756-OARS1-R010FI	BI Technologies / TT Electronics	Current Sense Resistors - SMD 0.01 ohm 1% 2W Sense Resistor	Datasheet	7,100On Order On Order Ship Dates Mfr. No: OARS1-R010FI Stock: 0 On Order: 3,300 Expected 11/12/2026 3,800 Expected 02/04/2027 Factory Lead Time: 32 Weeks	Cut Tape £1.47 £0.849 £0.686 £0.513 View Reel £0.361 £0.458 £0.397 £0.361 £0.361 MouseReel Available	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)	- 55 C	+ 160 C	Metal Element	2 Terminal	SMD/SMT
Current Sense Resistors - SMD ZERO OHM OARS1ZEROHMTR-LF BI Technologies / TT Electronics 1: £1.24 2,905Expected 02/04/2027	Mfr. Part No. OARS1ZEROHMTR-LF Mouser Part No 66-OARS1ZEROHMTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD ZERO OHM Learn More about BI Technologies / TT Electronics irc oars	Datasheet	2,905Expected 02/04/2027	Cut Tape £1.24 £0.725 £0.651 £0.513 View Reel £0.377 £0.44 £0.403 £0.377 £0.377 MouseReel Available	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
Current Sense Resistors - SMD .03 OHM 1W 1% OARS1R030FTR-LF BI Technologies / TT Electronics 1: £1.40 Non-Stocked Lead-Time 38 Weeks	Mfr. Part No. OARS1R030FTR-LF Mouser Part No 66-OARS1R030FTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .03 OHM 1W 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked Lead-Time 38 Weeks	Cut Tape £1.40 £0.803 £0.582 £0.431 View Reel £0.332 £0.406 £0.39 £0.332 £0.332 MouseReel Available	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	2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2W 0.002 Ohms 1% OARS1R002FLF BI Technologies / TT Electronics 3,800: £0.386 Non-Stocked	Mfr. Part No. OARS1R002FLF Mouser Part No 66-OARS1R002FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 0.002 Ohms 1%	Datasheet	Non-Stocked	Cut Tape £0.386	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	2 mOhms	2 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
Current Sense Resistors - SMD 2W 2 mOhms '5% OARS1R002JLF BI Technologies / TT Electronics 3,800: £0.396 Non-Stocked	Mfr. Part No. OARS1R002JLF Mouser Part No 66-OARS1R002JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 2 mOhms '5%	Datasheet	Non-Stocked	Cut Tape £0.396	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	2 mOhms	2 W	5 %	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
Current Sense Resistors - SMD 1W 0.004 1% OARS1R004FLF BI Technologies / TT Electronics 3,800: £0.336 Non-Stocked	Mfr. Part No. OARS1R004FLF Mouser Part No 66-OARS1R004FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 1W 0.004 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.336 £0.332	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	4 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
Current Sense Resistors - SMD 2W 4 mOhms '5% OARS1R004JLF BI Technologies / TT Electronics 3,800: £0.32 Non-Stocked	Mfr. Part No. OARS1R004JLF Mouser Part No 66-OARS1R004JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 4 mOhms '5%	Datasheet	Non-Stocked	Cut Tape £0.32 £0.315	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS		2 W									2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .005 OHM 1W 5% OARS1R005JTR-LF BI Technologies / TT Electronics 3,800: £0.26 Non-Stocked	Mfr. Part No. OARS1R005JTR-LF Mouser Part No 66-OARS1R005JTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .005 OHM 1W 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.26 £0.245	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	5 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
Current Sense Resistors - SMD .01 OHM 1W 5% OARS1R010JTR-LF BI Technologies / TT Electronics 3,800: £0.223 Non-Stocked	Mfr. Part No. OARS1R010JTR-LF Mouser Part No 66-OARS1R010JTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .01 OHM 1W 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.223 £0.209	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	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
Current Sense Resistors - SMD 1W 0.015 5% OARS1R015JLF BI Technologies / TT Electronics 3,800: £0.271 Non-Stocked	Mfr. Part No. OARS1R015JLF Mouser Part No 66-OARS1R015JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 1W 0.015 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.271 £0.264	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	15 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
Current Sense Resistors - SMD .015 OHM 1W 5% OARS1R015JTR-LF BI Technologies / TT Electronics 3,800: £0.223 Non-Stocked	Mfr. Part No. OARS1R015JTR-LF Mouser Part No 66-OARS1R015JTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .015 OHM 1W 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.223 £0.209	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	15 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
Current Sense Resistors - SMD 2W 22 mOhms '1% OARS1R022FLF BI Technologies / TT Electronics 3,800: £0.309 Non-Stocked	Mfr. Part No. OARS1R022FLF Mouser Part No 66-OARS1R022FLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 22 mOhms '1%	Datasheet	Non-Stocked	Cut Tape £0.309 £0.30	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS		2 W									2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .022 OHM 1W 1% OARS1R022FTR-LF BI Technologies / TT Electronics 3,800: £0.236 Non-Stocked	Mfr. Part No. OARS1R022FTR-LF Mouser Part No 66-OARS1R022FTR-LF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .022 OHM 1W 1% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.236 £0.222	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS	22 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
Current Sense Resistors - SMD 2W 22 mOhms '5% OARS1R022JLF BI Technologies / TT Electronics 3,800: £0.29 Non-Stocked	Mfr. Part No. OARS1R022JLF Mouser Part No 66-OARS1R022JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 22 mOhms '5%	Datasheet	Non-Stocked	Cut Tape £0.29 £0.282	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS		2 W									2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2W 25 mOhms '5% OARS1R025JLF BI Technologies / TT Electronics 3,800: £0.29 Non-Stocked	Mfr. Part No. OARS1R025JLF Mouser Part No 66-OARS1R025JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD 2W 25 mOhms '5%	Datasheet	Non-Stocked	Cut Tape £0.29 £0.282	Min.: 3,800 Mult.: 1,900 : 1,900	Reel	OARS		2 W								Metal Element	2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .030 OHM 5% OARS1R030JLF BI Technologies / TT Electronics 3,800: £0.271 Non-Stocked	Mfr. Part No. OARS1R030JLF Mouser Part No 66-OARS1R030JLF	BI Technologies / TT Electronics	Current Sense Resistors - SMD .030 OHM 5% Learn More about BI Technologies / TT Electronics irc oars	Datasheet	Non-Stocked	Cut Tape £0.271 £0.266	Min.: 3,800 Mult.: 1,900 : 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

OARS Open Air Sense Resistors

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OARS Open Air Sense Resistors

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