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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Part #

Wirewound Resistors - Through Hole 2W 22 ohm 5% FUSIBLE

ULW2-22RJA25
Welwyn Components / TT Electronics
1: 0.507 CHF
4 984In 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

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Datasheet

4 984In Stock

0.507 CHF

0.328 CHF

0.249 CHF

0.222 CHF

View

Reel

0.13 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 3W 10 ohm 5% FUSIBLE

ULW3-10RJA1
Welwyn Components / TT Electronics
1: 0.612 CHF
6 802In 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

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Datasheet

6 802In Stock

0.612 CHF

0.395 CHF

0.30 CHF

0.27 CHF

View

Reel

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 2W 10 Ohms 5% FUSIBLE

ULW2-10RJA25
Welwyn Components / TT Electronics
1: 0.499 CHF
1 880In 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

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Datasheet

1 880In Stock

0.499 CHF

0.291 CHF

0.219 CHF

0.198 CHF

Reel

0.138 CHF

View

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 33 ohm 5% FUSIBLE

ULW2-33RJA25
Welwyn Components / TT Electronics
1: 0.515 CHF
2 820In Stock

Mfr. Part No.
ULW2-33RJA25

Mouser Part No
756-ULW2-33R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 33 ohm 5% FUSIBLE

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Datasheet

2 820In Stock

0.515 CHF

0.333 CHF

0.253 CHF

0.225 CHF

Reel

0.128 CHF

View

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: 0.652 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

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Datasheet

654In Stock

0.652 CHF

0.371 CHF

0.30 CHF

0.224 CHF

Reel

0.127 CHF

View

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 56 ohm 5% FUSIBLE

ULW2-56RJA25
Welwyn Components / TT Electronics
1: 0.652 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

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Datasheet

4 573In Stock

0.652 CHF

0.371 CHF

0.30 CHF

0.224 CHF

Reel

0.134 CHF

View

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 2W 68 ohm 5% FUSIBLE

ULW2-68RJA25
Welwyn Components / TT Electronics
1: 0.515 CHF
853In Stock

Mfr. Part No.
ULW2-68RJA25

Mouser Part No
756-ULW2-68R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 68 ohm 5% FUSIBLE

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Datasheet

853In Stock

0.515 CHF

0.333 CHF

0.253 CHF

0.225 CHF

View

Reel

0.131 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 3W 100 ohm 5% FUSIBLE

ULW3-100RJA1
Welwyn Components / TT Electronics
1: 0.716 CHF
68In 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

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Datasheet

68In Stock

16 000On Order

0.716 CHF

0.446 CHF

0.353 CHF

0.279 CHF

Reel

0.183 CHF

View

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 20 ohm 5% FUSIBLE

ULW3-20RJA1
Welwyn Components / TT Electronics
1: 0.749 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

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Datasheet

797In Stock

0.749 CHF

0.463 CHF

0.375 CHF

0.27 CHF

Reel

0.176 CHF

View

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
893In 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

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Datasheet

893In Stock

0.62 CHF

0.40 CHF

0.304 CHF

0.27 CHF

Reel

0.174 CHF

View

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 33 ohm 5% FUSIBLE

ULW3-33RJA1
Welwyn Components / TT Electronics
1: 0.74 CHF
1 000In Stock

Mfr. Part No.
ULW3-33RJA1

Mouser Part No
756-ULW3-33R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 33 ohm 5% FUSIBLE

Learn More

Datasheet

1 000In Stock

0.74 CHF

0.463 CHF

0.36 CHF

0.274 CHF

View

Reel

0.182 CHF

Min.: 1
Mult.: 1

: 1 000

33 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

Datasheet

884In Stock

0.756 CHF

0.463 CHF

0.376 CHF

0.27 CHF

0.212 CHF

Reel

0.182 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

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Datasheet

57In Stock

0.756 CHF

0.463 CHF

0.376 CHF

0.27 CHF

View

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: 1.43 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

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Datasheet

732In Stock

1.43 CHF

0.861 CHF

0.603 CHF

0.554 CHF

0.472 CHF

Reel

0.316 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

Datasheet

302In Stock

750Expected 02/04/2027

Cut Tape

0.854 CHF

0.555 CHF

0.424 CHF

0.382 CHF

View

Reel

0.24 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
77In 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

Datasheet

77In Stock

750Expected 23/02/2027

Cut Tape

0.983 CHF

0.592 CHF

0.469 CHF

0.382 CHF

View

Reel

0.29 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
663In 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

Datasheet

663In Stock

750Expected 19/03/2027

Cut Tape

0.773 CHF

0.539 CHF

0.424 CHF

0.374 CHF

Reel

0.256 CHF

View

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

Datasheet

905In Stock

Cut Tape

1.08 CHF

0.621 CHF

0.505 CHF

0.382 CHF

View

Reel

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

Datasheet

750In Stock

Cut Tape

1.01 CHF

0.621 CHF

0.505 CHF

0.384 CHF

Reel

0.239 CHF

View

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

Datasheet

891In Stock

Cut Tape

1.07 CHF

0.62 CHF

0.505 CHF

0.381 CHF

Reel

0.267 CHF

View

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: 0.837 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

Datasheet

11In Stock

750Expected 02/04/2027

Cut Tape

0.837 CHF

0.548 CHF

0.418 CHF

0.376 CHF

View

Reel

0.241 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 556In 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

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Datasheet

1 556In Stock

Cut Tape

1.10 CHF

0.63 CHF

0.514 CHF

0.384 CHF

Reel

0.28 CHF

View

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 841In 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

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Datasheet

1 841In Stock

Cut Tape

0.854 CHF

0.555 CHF

0.424 CHF

0.381 CHF

Reel

0.266 CHF

View

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

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Datasheet

1 439In Stock

Cut Tape

1.44 CHF

0.829 CHF

0.679 CHF

0.508 CHF

Reel

0.392 CHF

View

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 47 ohm 5% FUSIBLE

ULW2-47RJA25
Welwyn Components / TT Electronics
1: 0.612 CHF
2In 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

Datasheet

2In Stock

2 500Expected 14/10/2026

0.612 CHF

0.371 CHF

0.30 CHF

0.225 CHF

View

Reel

0.145 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

ULW UL Recognized Wirewound Resistors

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4.7 Ohms
10 Ohms
15 Ohms
20 Ohms
22 Ohms
24 Ohms
27 Ohms
30 Ohms
33 Ohms
36 Ohms
39 Ohms
43 Ohms
47 Ohms
51 Ohms
56 Ohms
62 Ohms
68 Ohms
75 Ohms
82 Ohms
91 Ohms