Wirewound Resistors – Mouser Switzerland

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ULW UL Recognized Wirewound Resistors

Welwyn / TT Electronics ULW UL Recognized Wirewound Resistors are fusable resistors with failsafe AC fusing at 120V_RMS / 240V_RMS, inrush and surge withstanding. With a UL940V0 flameproof coating, the ULW Series offers power ratings of 2W to 5W. Welwyn / TT Electronics ULW UL Recognized Wirewound Resistors are available SMD and are RoHS compliant.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Resistance	Power Rating	Tolerance	Termination Style	Temperature Coefficient	Length	Width	Diameter	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Wirewound Resistors - Through Hole 2W 10 Ohms 5% FUSIBLE ULW2-10RJA25 Welwyn Components / TT Electronics 1: 0.507 CHF 1 435In Stock	Mfr. Part No. ULW2-10RJA25 Mouser Part No 756-ULW2-10RJA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 10 Ohms 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	1 435In Stock	0.507 CHF 0.328 CHF 0.249 CHF 0.222 CHF Reel 0.129 CHF View 0.194 CHF 0.175 CHF 0.144 CHF 0.127 CHF	Min.: 1 Mult.: 1 : 2 500	10 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 200 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 22 ohm 5% FUSIBLE ULW2-22RJA25 Welwyn Components / TT Electronics 1: 0.507 CHF 684In Stock	Mfr. Part No. ULW2-22RJA25 Mouser Part No 756-ULW2-22R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 22 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	684In Stock	0.507 CHF 0.328 CHF 0.249 CHF 0.222 CHF Reel 0.131 CHF View 0.164 CHF 0.155 CHF 0.144 CHF 0.127 CHF	Min.: 1 Mult.: 1 : 2 500	22 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 200 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 33 ohm 5% FUSIBLE ULW2-33RJA25 Welwyn Components / TT Electronics 1: 0.515 CHF 320In Stock 2 500Expected 04/02/2027	Mfr. Part No. ULW2-33RJA25 Mouser Part No 756-ULW2-33R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 33 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	320In Stock 2 500Expected 04/02/2027	0.515 CHF 0.333 CHF 0.253 CHF 0.225 CHF Reel 0.129 CHF View 0.179 CHF 0.166 CHF 0.144 CHF 0.127 CHF	Min.: 1 Mult.: 1 : 2 500	33 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 200 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 39 ohm 5% FUSIBLE ULW2-39RJA25 Welwyn Components / TT Electronics 1: 0.66 CHF 654In Stock	Mfr. Part No. ULW2-39RJA25 Mouser Part No 756-ULW2-39R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 39 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	654In Stock	0.66 CHF 0.371 CHF 0.30 CHF 0.225 CHF View Reel 0.143 CHF 0.196 CHF 0.177 CHF 0.153 CHF 0.143 CHF	Min.: 1 Mult.: 1 : 2 500	39 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 200 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 47 ohm 5% FUSIBLE ULW2-47RJA25 Welwyn Components / TT Electronics 1: 0.612 CHF 43In Stock 2 500Expected 14/10/2026	Mfr. Part No. ULW2-47RJA25 Mouser Part No 756-ULW2-47R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 47 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	43In Stock 2 500Expected 14/10/2026	0.612 CHF 0.371 CHF 0.30 CHF 0.225 CHF View Reel 0.143 CHF 0.196 CHF 0.177 CHF 0.147 CHF 0.143 CHF	Min.: 1 Mult.: 1 : 2 500	47 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 56 ohm 5% FUSIBLE ULW2-56RJA25 Welwyn Components / TT Electronics 1: 0.66 CHF 4 573In Stock	Mfr. Part No. ULW2-56RJA25 Mouser Part No 756-ULW2-56R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 56 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	4 573In Stock	0.66 CHF 0.371 CHF 0.30 CHF 0.225 CHF View Reel 0.143 CHF 0.196 CHF 0.177 CHF 0.162 CHF 0.143 CHF	Min.: 1 Mult.: 1 : 2 500	56 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 100 ohm 5% FUSIBLE ULW3-100RJA1 Welwyn Components / TT Electronics 1: 0.716 CHF 66In Stock 16 000On Order	Mfr. Part No. ULW3-100RJA1 Mouser Part No 756-ULW3-100R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 100 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	66In Stock 16 000On Order On Order Ship Dates Mfr. No: ULW3-100RJA1 Stock: 66 Can Dispatch Immediately On Order: 6 000 Expected 19/11/2026 10 000 Expected 29/01/2027 Factory Lead Time: 35 Weeks	0.716 CHF 0.446 CHF 0.353 CHF 0.279 CHF View Reel 0.18 CHF 0.243 CHF 0.221 CHF 0.18 CHF	Min.: 1 Mult.: 1 : 1 000	100 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm		5.4 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 10 ohm 5% FUSIBLE ULW3-10RJA1 Welwyn Components / TT Electronics 1: 0.612 CHF 5 652In Stock	Mfr. Part No. ULW3-10RJA1 Mouser Part No 756-ULW3-10R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 10 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	5 652In Stock	0.612 CHF 0.395 CHF 0.30 CHF 0.27 CHF View Reel 0.174 CHF 0.235 CHF 0.213 CHF 0.174 CHF	Min.: 1 Mult.: 1 : 1 000	10 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm		5.4 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 20 ohm 5% FUSIBLE ULW3-20RJA1 Welwyn Components / TT Electronics 1: 0.756 CHF 797In Stock	Mfr. Part No. ULW3-20RJA1 Mouser Part No 756-ULW3-20R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 20 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	797In Stock	0.756 CHF 0.463 CHF 0.376 CHF 0.27 CHF Reel 0.183 CHF View 0.235 CHF 0.216 CHF 0.18 CHF	Min.: 1 Mult.: 1 : 1 000	20 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm		5.4 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 27 ohm 5% FUSIBLE ULW3-27RJA1 Welwyn Components / TT Electronics 1: 0.62 CHF 863In Stock	Mfr. Part No. ULW3-27RJA1 Mouser Part No 756-ULW3-27R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 27 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	863In Stock	0.62 CHF 0.40 CHF 0.304 CHF 0.27 CHF Reel 0.174 CHF View 0.235 CHF 0.213 CHF 0.159 CHF 0.154 CHF	Min.: 1 Mult.: 1 : 1 000	27 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm		5.4 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 39 ohm 5% FUSIBLE ULW3-39RJA1 Welwyn Components / TT Electronics 1: 0.756 CHF 884In Stock	Mfr. Part No. ULW3-39RJA1 Mouser Part No 756-ULW3-39R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 39 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	884In Stock	0.756 CHF 0.463 CHF 0.376 CHF 0.27 CHF 0.212 CHF Reel 0.183 CHF	Min.: 1 Mult.: 1 : 1 000	39 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm	5.4 mm		- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 3W 82 ohm 5% FUSIBLE ULW3-82RJA1 Welwyn Components / TT Electronics 1: 0.756 CHF 57In Stock	Mfr. Part No. ULW3-82RJA1 Mouser Part No 756-ULW3-82R0JA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 3W 82 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	57In Stock	0.756 CHF 0.463 CHF 0.376 CHF 0.27 CHF 0.212 CHF Reel 0.18 CHF	Min.: 1 Mult.: 1 : 1 000	82 Ohms	3 W	5 %	Axial	200 PPM / C	14.5 mm		5.4 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 4W 10 Ohms 5% FUSIBLE ULW4-10RJA1 Welwyn Components / TT Electronics 1: 1.50 CHF 732In Stock	Mfr. Part No. ULW4-10RJA1 Mouser Part No 756-ULW4-10RJA1	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 4W 10 Ohms 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	732In Stock	1.50 CHF 0.917 CHF 0.627 CHF 0.348 CHF 0.335 CHF Reel 0.273 CHF	Min.: 1 Mult.: 1 : 1 000	10 Ohms	4 W	5 %	Axial	200 PPM / C	13 mm		5.6 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 5W 100 ohm 5% FUSIBLE ULW5-100RJT075 Welwyn Components / TT Electronics 1: 0.854 CHF 302In Stock 750Expected 02/04/2027	Mfr. Part No. ULW5-100RJT075 Mouser Part No 756-ULW5-100R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 100 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	302In Stock 750Expected 02/04/2027	Cut Tape 0.854 CHF 0.555 CHF 0.424 CHF 0.382 CHF View Reel 0.241 CHF 0.334 CHF 0.321 CHF 0.241 CHF	Min.: 1 Mult.: 1 : 750	100 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 10 ohm 5% FUSIBLE ULW5-10RJT075 Welwyn Components / TT Electronics 1: 0.983 CHF 47In Stock 750Expected 23/02/2027	Mfr. Part No. ULW5-10RJT075 Mouser Part No 756-ULW5-10R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 10 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	47In Stock 750Expected 23/02/2027	Cut Tape 0.983 CHF 0.592 CHF 0.469 CHF 0.382 CHF View Reel 0.285 CHF 0.342 CHF 0.285 CHF 0.285 CHF	Min.: 1 Mult.: 1 : 750	10 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 22 ohm 5% FUSIBLE ULW5-22RJT075 Welwyn Components / TT Electronics 1: 0.773 CHF 42In Stock 750Expected 19/03/2027	Mfr. Part No. ULW5-22RJT075 Mouser Part No 756-ULW5-22R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 22 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	42In Stock 750Expected 19/03/2027	Cut Tape 0.773 CHF 0.539 CHF 0.424 CHF 0.374 CHF Reel 0.256 CHF View 0.334 CHF 0.325 CHF 0.238 CHF 0.236 CHF	Min.: 1 Mult.: 1 : 750	22 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 27 ohm 5% FUSIBLE ULW5-27RJT075 Welwyn Components / TT Electronics 1: 1.08 CHF 905In Stock	Mfr. Part No. ULW5-27RJT075 Mouser Part No 756-ULW5-27R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 27 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	905In Stock	Cut Tape 1.08 CHF 0.621 CHF 0.505 CHF 0.382 CHF View Reel 0.266 CHF 0.338 CHF 0.291 CHF 0.266 CHF	Min.: 1 Mult.: 1 : 750	27 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 33 ohm 5% FUSIBLE ULW5-33RJT075 Welwyn Components / TT Electronics 1: 1.01 CHF 750In Stock	Mfr. Part No. ULW5-33RJT075 Mouser Part No 756-ULW5-33R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 33 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	750In Stock	Cut Tape 1.01 CHF 0.621 CHF 0.505 CHF 0.384 CHF Reel 0.239 CHF View 0.338 CHF 0.304 CHF 0.223 CHF	Min.: 1 Mult.: 1 : 750	33 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 39 ohm 5% FUSIBLE ULW5-39RJT075 Welwyn Components / TT Electronics 1: 1.07 CHF 891In Stock	Mfr. Part No. ULW5-39RJT075 Mouser Part No 756-ULW5-39R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 39 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	891In Stock	Cut Tape 1.07 CHF 0.62 CHF 0.505 CHF 0.381 CHF Reel 0.267 CHF View 0.337 CHF 0.314 CHF 0.233 CHF 0.224 CHF	Min.: 1 Mult.: 1 : 750	39 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 47 ohm 5% FUSIBLE ULW5-47RJT075 Welwyn Components / TT Electronics 1: 0.885 CHF 11In Stock 750Expected 02/04/2027	Mfr. Part No. ULW5-47RJT075 Mouser Part No 756-ULW5-47R0JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 47 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	11In Stock 750Expected 02/04/2027	Cut Tape 0.885 CHF 0.58 CHF 0.444 CHF 0.389 CHF View Reel 0.242 CHF 0.344 CHF 0.285 CHF 0.242 CHF	Min.: 1 Mult.: 1 : 750	47 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 4.7 Ohms 5% FUSIBLE ULW5-4R7-J Welwyn Components / TT Electronics 1: 1.10 CHF 1 528In Stock	Mfr. Part No. ULW5-4R7-J Mouser Part No 756-ULW5-4R7-J	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 4.7 Ohms 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	1 528In Stock	Cut Tape 1.10 CHF 0.63 CHF 0.514 CHF 0.384 CHF Reel 0.28 CHF View 0.344 CHF 0.307 CHF 0.27 CHF	Min.: 1 Mult.: 1 : 750	4.7 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 200 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 4.7 Ohm 5% FUSIBLE ULW5-4R7JT075 Welwyn Components / TT Electronics 1: 0.854 CHF 1 829In Stock	Mfr. Part No. ULW5-4R7JT075 Mouser Part No 756-ULW5-4R7JT075	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 4.7 Ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	1 829In Stock	Cut Tape 0.854 CHF 0.555 CHF 0.424 CHF 0.381 CHF Reel 0.266 CHF View 0.311 CHF 0.283 CHF 0.223 CHF	Min.: 1 Mult.: 1 : 750	4.7 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 155 C	ULW	Reel, Cut Tape
Wirewound Resistors - Through Hole 5W 68 Ohms 5% ZI-Form FUSIBLE ULW5ZI-68RJT045 Welwyn Components / TT Electronics 1: 1.44 CHF 1 439In Stock	Mfr. Part No. ULW5ZI-68RJT045 Mouser Part No 756-ULW5ZI-68RJT045	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 5W 68 Ohms 5% ZI-Form FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	1 439In Stock	Cut Tape 1.44 CHF 0.829 CHF 0.679 CHF 0.508 CHF Reel 0.392 CHF View 0.454 CHF 0.36 CHF 0.311 CHF 0.299 CHF MouseReel Available	Min.: 1 Mult.: 1 : 450	68 Ohms	5 W	5 %	Axial	200 PPM / C	16.5 mm		7.2 mm	- 55 C	+ 200 C	ULW	Reel, Cut Tape, MouseReel
Wirewound Resistors - Through Hole 2W 68 ohm 5% FUSIBLE ULW2-68RJA25 Welwyn Components / TT Electronics 1: 0.612 CHF 3In Stock 2 500Expected 27/04/2027	Mfr. Part No. ULW2-68RJA25 Mouser Part No 756-ULW2-68R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 68 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	3In Stock 2 500Expected 27/04/2027	0.612 CHF 0.328 CHF 0.249 CHF 0.222 CHF View Reel 0.129 CHF 0.194 CHF 0.175 CHF 0.144 CHF 0.129 CHF	Min.: 1 Mult.: 1 : 2 500	68 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 155 C	ULW	Ammo Pack
Wirewound Resistors - Through Hole 2W 100 ohm 5% FUSIBLE ULW2-100RJA25 Welwyn Components / TT Electronics 1: 0.548 CHF 2 450Expected 01/04/2027	Mfr. Part No. ULW2-100RJA25 Mouser Part No 756-ULW2-100R0JA25	Welwyn Components / TT Electronics	Wirewound Resistors - Through Hole 2W 100 ohm 5% FUSIBLE Learn More about Welwyn Components / TT Electronics welwyn ulw resistors	Datasheet	2 450Expected 01/04/2027	0.548 CHF 0.353 CHF 0.268 CHF 0.239 CHF View Reel 0.143 CHF 0.209 CHF 0.189 CHF 0.144 CHF 0.143 CHF	Min.: 1 Mult.: 1 : 2 500	100 Ohms	2 W	5 %	Axial	200 PPM / C	9 mm		3.6 mm	- 55 C	+ 200 C	ULW	Ammo Pack