Current Sense Resistors - SMD

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RW1/RW2 Four-Terminal Current Resistors

Ohmite RW1/RW2 SMT Four-Terminal Current Sense Resistors feature extremely low resistance of 5mΩ to 50mΩ. These resistors offer high precision tolerance and low TCR of ±50ppm/°C. The modules come in a flameproof UL 94V-0 black body with white markings. Ohmite RW1/RW2 SMT Four-Terminal Current Sense Resistors operate in a temperature range of -55°C to +125°C.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	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
Current Sense Resistors - SMD 1watt .01ohm .5% SMD Wirewound RW1S0CKR010DET Ohmite 1: $12.81 723In Stock	Mfr. Part No. RW1S0CKR010DET Mouser Part No 588-RW1S0CKR010DET	Ohmite	Current Sense Resistors - SMD 1watt .01ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	723In Stock	Cut Tape $12.81 $8.85 $7.78 $7.11 Reel $5.41 View $6.54 $5.92 $5.43 $5.28 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	10 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .05ohm 1% SMD Wirewound RW1S0CKR050FET Ohmite 1: $12.09 200In Stock	Mfr. Part No. RW1S0CKR050FET Mouser Part No 588-RW1S0CKR050FET	Ohmite	Current Sense Resistors - SMD 1watt .05ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	200In Stock	Cut Tape $12.09 $8.34 $7.33 $6.69 Reel $5.18 View $6.15 $5.56 $5.52 $4.77 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	50 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .005ohm .5% SMD Wirewound RW1S0CKR005DET Ohmite 1: $12.81 145In Stock 2,000Expected 28/12/2026	Mfr. Part No. RW1S0CKR005DET Mouser Part No 588-RW1S0CKR005DET	Ohmite	Current Sense Resistors - SMD 1watt .005ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	145In Stock 2,000Expected 28/12/2026	Cut Tape $12.81 $8.85 $7.78 $7.11 View Reel $5.52 $6.54 $5.92 $5.52 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	5 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound RW1S0CKR010FE Ohmite 1: $9.47 93In Stock	Mfr. Part No. RW1S0CKR010FE Mouser Part No 588-RW1S0CKR010FE	Ohmite	Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	93In Stock	$9.47 $7.38 $6.84 $6.64 View $6.42 $6.20 $6.07 $5.97	Min.: 1 Mult.: 1	Bulk	RW1	10 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound RW1S0CKR010FET Ohmite 1: $12.09 171In Stock	Mfr. Part No. RW1S0CKR010FET Mouser Part No 588-RW1S0CKR010FET	Ohmite	Current Sense Resistors - SMD 1watt .01ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	171In Stock	Cut Tape $12.09 $8.34 $7.33 $6.69 Reel $5.26 View $6.15 $5.56 $5.52 $5.18 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	10 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .025ohm .5% SMD Wirewound RW1S0CKR025DE Ohmite 1: $9.97 34In Stock	Mfr. Part No. RW1S0CKR025DE Mouser Part No 588-RW1S0CKR025DE	Ohmite	Current Sense Resistors - SMD 1watt .025ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	34In Stock	$9.97 $9.38 $8.70 $7.04 View $6.83 $6.60 $6.46 $6.35	Min.: 1 Mult.: 1	Bulk	RW1	25 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .025ohm 1% SMD Wirewound RW1S0CKR025FE Ohmite 1: $13.49 33In Stock	Mfr. Part No. RW1S0CKR025FE Mouser Part No 588-RW1S0CKR025FE	Ohmite	Current Sense Resistors - SMD 1watt .025ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	33In Stock	$13.49 $9.33 $8.27 $7.67 View $7.30 $7.21 $7.13 $7.04	Min.: 1 Mult.: 1	Bulk	RW1	25 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound RW1S0CKR050DET Ohmite 1: $12.81 77In Stock	Mfr. Part No. RW1S0CKR050DET Mouser Part No 588-RW1S0CKR050DET	Ohmite	Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	77In Stock	Cut Tape $12.81 $8.85 $7.78 $7.11 Reel $5.62 View $6.54 $5.92 $5.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	50 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .005ohm .5% SMD Wirewound RW1S0CKR005DE Ohmite 1: $9.97 95Expected 18/2/2027	Mfr. Part No. RW1S0CKR005DE Mouser Part No 588-RW1S0CKR005DE	Ohmite	Current Sense Resistors - SMD 1watt .005ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	95Expected 18/2/2027	$9.97 $7.02 $6.65 $6.60 View $6.56 $6.46 $6.35	Min.: 1 Mult.: 1	Bulk	RW1	5 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .005ohm 1% SMD Wirewound RW1S0CKR005FE Ohmite 1: $16.73 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR005FE Mouser Part No 588-RW1S0CKR005FE	Ohmite	Current Sense Resistors - SMD 1watt .005ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	$16.73 $9.26 $8.92 $7.81 View $6.90 $6.84 $6.31	Min.: 1 Mult.: 1	Bulk	RW1	5 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .005ohm 1% SMD Wirewound RW1S0CKR005FET Ohmite 1,000: $5.51 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR005FET Mouser Part No 588-RW1S0CKR005FET	Ohmite	Current Sense Resistors - SMD 1watt .005ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel $5.51 $5.49	Min.: 1,000 Mult.: 1,000 : 1,000	Reel	RW1	5 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .01ohm .5% SMD Wirewound RW1S0CKR010DE Ohmite 1: $10.57 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR010DE Mouser Part No 588-RW1S0CKR010DE	Ohmite	Current Sense Resistors - SMD 1watt .01ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	$10.57 $8.30 $7.68 $7.47 View $7.24 $6.99 $6.84 $6.73	Min.: 1 Mult.: 1	Bulk	RW1	10 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .025ohm .5% SMD Wirewound RW1S0CKR025DET Ohmite 1: $12.81 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR025DET Mouser Part No 588-RW1S0CKR025DET	Ohmite	Current Sense Resistors - SMD 1watt .025ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape $12.81 $8.85 $7.78 $7.11 Reel $5.62 View $6.54 $5.92 $5.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	RW1	25 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .025ohm 1% SMD Wirewound RW1S0CKR025FET Ohmite 1,000: $5.15 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR025FET Mouser Part No 588-RW1S0CKR025FET	Ohmite	Current Sense Resistors - SMD 1watt .025ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel $5.15	Min.: 1,000 Mult.: 1,000 : 1,000	Reel	RW1	25 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound RW1S0CKR050DE Ohmite 1: $10.57 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR050DE Mouser Part No 588-RW1S0CKR050DE	Ohmite	Current Sense Resistors - SMD 1watt .05ohm .5% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	$10.57 $8.30 $7.68 $7.47 View $7.24 $6.99 $6.84 $6.73	Min.: 1 Mult.: 1	Bulk	RW1	50 mOhms	1 W	0.5 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT
Current Sense Resistors - SMD 1watt .05ohm 1% SMD Wirewound RW1S0CKR050FE Ohmite 1: $10.02 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. RW1S0CKR050FE Mouser Part No 588-RW1S0CKR050FE	Ohmite	Current Sense Resistors - SMD 1watt .05ohm 1% SMD Wirewound Learn More about Ohmite RW1 RW2 resistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	$10.02 $7.83 $7.25 $7.04 View $6.81 $6.57 $6.43 $6.32 $6.31	Min.: 1 Mult.: 1	Bulk	RW1	50 mOhms	1 W	1 %	50 PPM / C	4224	10862	10.8 mm (0.425 in)	6.2 mm (0.244 in)	2.1 mm (0.083 in)	- 55 C	+ 125 C	Wirewound	4 Terminal	SMD/SMT

RW1/RW2 Four-Terminal Current Resistors

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