Current Sense Resistors - SMD

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LRF3W Low Value 3W Chip Resistors

Welwyn / TT Electronics LRF3W Low Value 3W Chip Resistors offer 3W power in a 1225 package. LRF3W offers a 0.003Ω to 0.1Ω resistance range and tolerances of up to ±1%. These Welwyn / TT Electronics AEC-Q200 qualified chip resistors also provide low thermal impedance and wide terminations for enhanced robustness. LRF3W operates in a -55°C to +150°C temperature range.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	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	Qualification
Current Sense Resistors - SMD .1 OHM 3W 1% LRF3W-01-R100-FT IRC / TT Electronics 1: 2,57 € 410In Stock	Mfr. Part No. LRF3W-01-R100-FT Mouser Part No 66-LRF3W-01-R100-FT	IRC / TT Electronics	Current Sense Resistors - SMD .1 OHM 3W 1% Learn More about IRC / TT Electronics welwyn lrf3w resistors	Datasheet	410In Stock	Cut Tape 2,57 € 1,94 € Reel 1,94 € 1,91 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800	No	Reel, Cut Tape, MouseReel	LRF3W	100 mOhms	3 W	1 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 1225 50 mOhms 5% Tol. AEC-Q200 LRF3W-R05JW Welwyn Components / TT Electronics 1: 1,74 € 3.932In Stock	Mfr. Part No. LRF3W-R05JW Mouser Part No 756-LRF3W-R05JW	Welwyn Components / TT Electronics	Current Sense Resistors - SMD 1225 50 mOhms 5% Tol. AEC-Q200 Learn More about Welwyn Components / TT Electronics welwyn lrf3w resistors	Datasheet	3.932In Stock	Cut Tape 1,74 € 0,92 € 0,786 € 0,688 € Reel 0,623 € View 0,639 € 0,623 € 0,491 € 0,48 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	50 mOhms	3 W	5 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 1225 5 mOhms 5% Tol. AEC-Q200 LRF3W-R005JW Welwyn Components / TT Electronics 1: 1,89 € 1.139In Stock	Mfr. Part No. LRF3W-R005JW Mouser Part No 756-LRF3W-R005JW	Welwyn Components / TT Electronics	Current Sense Resistors - SMD 1225 5 mOhms 5% Tol. AEC-Q200 Learn More about Welwyn Components / TT Electronics welwyn lrf3w resistors	Datasheet	1.139In Stock	Cut Tape 1,89 € 1,09 € 0,788 € 0,685 € Reel 0,60 € View 0,661 € 0,60 € 0,593 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	5 mOhms	3 W	5 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .005 OHM 1% 3W 100PPM LRC-LRF3WLF-01-R005-F IRC / TT Electronics 1: 2,01 € 3.100On Order	Mfr. Part No. LRC-LRF3WLF-01-R005-F Mouser Part No 66-LRCLRF3WLF01R005F	IRC / TT Electronics	Current Sense Resistors - SMD .005 OHM 1% 3W 100PPM	Datasheet	3.100On Order On Order Ship Dates Mfr. No: LRC-LRF3WLF-01-R005-F Stock: 0 On Order: 1.800 Pending 1.300 Expected 10/12/2026 Factory Lead Time: 22 Weeks	Cut Tape 2,01 € 1,23 € 1,13 € 0,894 € Reel 0,653 € View 0,751 € 0,67 € 0,653 € 0,582 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	5 mOhms	3 W	1 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.76 mm (0.03 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 3W 0.04 Ohms 1% LRC-LRF3WLF-01-R040-F IRC / TT Electronics 1: 1,77 € 2.260Expected 10/16/2026	Mfr. Part No. LRC-LRF3WLF-01-R040-F Mouser Part No 66-LRCLRF3WLF01R040F	IRC / TT Electronics	Current Sense Resistors - SMD 3W 0.04 Ohms 1% Learn More about IRC / TT Electronics welwyn lrf3w resistors	Datasheet	2.260Expected 10/16/2026	Cut Tape 1,77 € 1,08 € 0,998 € 0,784 € Reel 0,575 € View 0,662 € 0,591 € 0,575 € 0,449 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	40 mOhms	3 W	1 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 3W CHIP RES .012 OHM 1% LRC-LRF3WLF-01-R012-F IRC / TT Electronics 3.600: 0,582 € Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. LRC-LRF3WLF-01-R012-F Mouser Part No 66-LRCLRF3WLF01R012F	IRC / TT Electronics	Current Sense Resistors - SMD 3W CHIP RES .012 OHM 1% Learn More about IRC / TT Electronics welwyn lrf3w resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape 0,582 € 0,559 €	Min.: 3.600 Mult.: 1.800 : 1.800		Reel	LRF3W	12 mOhms	3 W	1 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT
Current Sense Resistors - SMD .004 ohm 5% 3W AEC-Q200 LRF3W-R004JW Welwyn Components / TT Electronics 1: 1,06 € Non-Stocked	Mfr. Part No. LRF3W-R004JW Mouser Part No 756-LRF3W-R004JW	Welwyn Components / TT Electronics	Current Sense Resistors - SMD .004 ohm 5% 3W AEC-Q200 Learn More about Welwyn Components / TT Electronics welwyn lrf3w resistors	Datasheet	Non-Stocked	Cut Tape 1,06 € 0,72 € 0,637 € 0,545 € Reel 0,471 € View 0,516 € 0,489 € 0,471 € 0,421 € 0,396 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	4 mOhms	3 W	5 %	550 PPM / C	2512	6532	6 mm (0.236 in)	3.25 mm (0.128 in)	0.94 mm (0.037 in)	- 55 C	+ 150 C		2 Terminal	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD Current Sense Resistors - SMD 3W 50 mOhms 1% LRF3W-R05FW Welwyn Components / TT Electronics 1: 1,85 € Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part No. LRF3W-R05FW Mouser Part No 756-LRF3W-R05FW New Product	Welwyn Components / TT Electronics	Current Sense Resistors - SMD Current Sense Resistors - SMD 3W 50 mOhms 1%	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape 1,85 € 1,08 € 0,972 € 0,77 € View Reel 0,556 € 0,659 € 0,603 € 0,556 € 0,556 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800		Reel, Cut Tape, MouseReel	LRF3W	50 mOhms	3 W	1 %	100 PPM / C	2512	6532	6.5 mm (0.256 in)	3.25 mm (0.128 in)	0.94 mm (0.037 in)	- 55 C	+ 150 C	Thick Film	Standard	SMD/SMT
Current Sense Resistors - SMD 3W 2% 0.01 Ohm LRC-LRF3W-01-R010-G IRC / TT Electronics 3.600: 1,18 € Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. LRC-LRF3W-01-R010-G Mouser Part No 66-LRF3W-01-R010-GT	IRC / TT Electronics	Current Sense Resistors - SMD 3W 2% 0.01 Ohm Learn More about IRC / TT Electronics welwyn lrf3w resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape 1,18 €	Min.: 3.600 Mult.: 1.800 : 1.800	No	Reel	LRF3W	10 mOhms	3 W	2 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.35 mm (0.25 in)	3.18 mm (0.125 in)	0.98 mm (0.039 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT
Current Sense Resistors - SMD .012 OHM 1% 3W SMD T/R LRCLRF3W01R012F IRC / TT Electronics 1: 3,86 € Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. LRCLRF3W01R012F Mouser Part No 66-LRF3W-01-R012F	IRC / TT Electronics	Current Sense Resistors - SMD .012 OHM 1% 3W SMD T/R Learn More about IRC / TT Electronics welwyn lrf3w resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape 3,86 € 2,39 € 2,14 € 1,71 € Reel 1,32 € View 1,57 € 1,17 € MouseReel Available	Min.: 1 Mult.: 1 : 1.800	No	Reel, Cut Tape, MouseReel	LRF3W	12 mOhms	3 W	1 %	100 PPM / C	1225 (Reversed)	3263 (Reversed)	6.3 mm (0.248 in)	3.2 mm (0.126 in)	0.74 mm (0.029 in)	- 55 C	+ 150 C	Thick Film	4 Terminal	SMD/SMT

LRF3W Low Value 3W Chip Resistors

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