Wirewound Resistors – Mouser Peru

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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 10 Ohms 5% FUSIBLE

ULW2-10RJA25
Welwyn Components / TT Electronics
1: S/2.45
1,855In Stock

Mfr. Part #
ULW2-10RJA25

Mouser Part #
756-ULW2-10RJA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 10 Ohms 5% FUSIBLE

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Datasheet

1,855In Stock

S/2.45

S/1.58

S/1.20

S/1.07

Reel

S/0.615

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 22 ohm 5% FUSIBLE

ULW2-22RJA25
Welwyn Components / TT Electronics
1: S/2.45
684In Stock

Mfr. Part #
ULW2-22RJA25

Mouser Part #
756-ULW2-22R0JA25

Welwyn Components / TT Electronics

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

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Datasheet

684In Stock

S/2.45

S/1.58

S/1.20

S/1.07

Reel

S/0.623

View

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: S/2.49
2,820In Stock

Mfr. Part #
ULW2-33RJA25

Mouser Part #
756-ULW2-33R0JA25

Welwyn Components / TT Electronics

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

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Datasheet

2,820In Stock

S/2.49

S/1.61

S/1.22

S/1.09

Reel

S/0.615

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: S/3.19
654In Stock

Mfr. Part #
ULW2-39RJA25

Mouser Part #
756-ULW2-39R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 39 ohm 5% FUSIBLE

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Datasheet

654In Stock

S/3.19

S/1.79

S/1.45

S/1.09

View

Reel

S/0.693

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: S/2.96
43In Stock
2,500Expected 10/14/2026

Mfr. Part #
ULW2-47RJA25

Mouser Part #
756-ULW2-47R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 47 ohm 5% FUSIBLE

Learn More

Datasheet

43In Stock

2,500Expected 10/14/2026

S/2.96

S/1.79

S/1.45

S/1.09

View

Reel

S/0.693

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: S/3.19
4,573In Stock

Mfr. Part #
ULW2-56RJA25

Mouser Part #
756-ULW2-56R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 56 ohm 5% FUSIBLE

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Datasheet

4,573In Stock

S/3.19

S/1.79

S/1.45

S/1.09

View

Reel

S/0.693

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: S/3.46
68In Stock
16,000On Order

Mfr. Part #
ULW3-100RJA1

Mouser Part #
756-ULW3-100R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 100 ohm 5% FUSIBLE

Learn More

Datasheet

68In Stock

16,000On Order

S/3.46

S/2.16

S/1.70

S/1.35

View

Reel

S/0.868

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: S/2.96
5,652In Stock

Mfr. Part #
ULW3-10RJA1

Mouser Part #
756-ULW3-10R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 10 ohm 5% FUSIBLE

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Datasheet

5,652In Stock

S/2.96

S/1.91

S/1.45

S/1.30

Reel

S/0.829

View

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: S/3.66
797In Stock

Mfr. Part #
ULW3-20RJA1

Mouser Part #
756-ULW3-20R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 20 ohm 5% FUSIBLE

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Datasheet

797In Stock

S/3.66

S/2.24

S/1.82

S/1.30

Reel

S/0.887

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: S/3.00
863In Stock

Mfr. Part #
ULW3-27RJA1

Mouser Part #
756-ULW3-27R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 27 ohm 5% FUSIBLE

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Datasheet

863In Stock

S/3.00

S/1.93

S/1.47

S/1.30

Reel

S/0.841

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 39 ohm 5% FUSIBLE

ULW3-39RJA1
Welwyn Components / TT Electronics
1: S/3.66
884In Stock

Mfr. Part #
ULW3-39RJA1

Mouser Part #
756-ULW3-39R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 39 ohm 5% FUSIBLE

Learn More

Datasheet

884In Stock

S/3.66

S/2.24

S/1.82

S/1.30

S/1.02

Reel

S/0.868

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: S/3.66
57In Stock

Mfr. Part #
ULW3-82RJA1

Mouser Part #
756-ULW3-82R0JA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 3W 82 ohm 5% FUSIBLE

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Datasheet

57In Stock

S/3.66

S/2.24

S/1.82

S/1.30

S/1.02

Reel

S/0.868

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: S/6.93
732In Stock

Mfr. Part #
ULW4-10RJA1

Mouser Part #
756-ULW4-10RJA1

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 4W 10 Ohms 5% FUSIBLE

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Datasheet

732In Stock

S/6.93

S/4.16

S/2.92

S/1.68

Reel

S/1.32

View

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: S/4.13
302In Stock
750Expected 4/2/2027

Mfr. Part #
ULW5-100RJT075

Mouser Part #
756-ULW5-100R0JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 100 ohm 5% FUSIBLE

Learn More

Datasheet

302In Stock

750Expected 4/2/2027

Cut Tape

S/4.13

S/2.68

S/2.05

S/1.85

Reel

S/1.14

View

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: S/4.75
47In Stock
750Expected 2/23/2027

Mfr. Part #
ULW5-10RJT075

Mouser Part #
756-ULW5-10R0JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 10 ohm 5% FUSIBLE

Learn More

Datasheet

47In Stock

750Expected 2/23/2027

Cut Tape

S/4.75

S/2.86

S/2.27

S/1.85

View

Reel

S/1.38

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: S/3.74
583In Stock
750Expected 3/19/2027

Mfr. Part #
ULW5-22RJT075

Mouser Part #
756-ULW5-22R0JT075

Welwyn Components / TT Electronics

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

Learn More

Datasheet

583In Stock

750Expected 3/19/2027

Cut Tape

S/3.74

S/2.61

S/2.05

S/1.81

Reel

S/1.24

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: S/5.22
905In Stock

Mfr. Part #
ULW5-27RJT075

Mouser Part #
756-ULW5-27R0JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 27 ohm 5% FUSIBLE

Learn More

Datasheet

905In Stock

Cut Tape

S/5.22

S/3.00

S/2.44

S/1.85

View

Reel

S/1.28

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: S/4.87
750In Stock

Mfr. Part #
ULW5-33RJT075

Mouser Part #
756-ULW5-33R0JT075

Welwyn Components / TT Electronics

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

Learn More

Datasheet

750In Stock

Cut Tape

S/4.87

S/3.00

S/2.44

S/1.86

Reel

S/1.15

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: S/5.18
891In Stock

Mfr. Part #
ULW5-39RJT075

Mouser Part #
756-ULW5-39R0JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 39 ohm 5% FUSIBLE

Learn More

Datasheet

891In Stock

Cut Tape

S/5.18

S/3.00

S/2.44

S/1.84

Reel

S/1.29

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: S/4.28
11In Stock
750Expected 4/2/2027

Mfr. Part #
ULW5-47RJT075

Mouser Part #
756-ULW5-47R0JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 47 ohm 5% FUSIBLE

Learn More

Datasheet

11In Stock

750Expected 4/2/2027

Cut Tape

S/4.28

S/2.81

S/2.14

S/1.88

Reel

S/1.15

View

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: S/5.29
1,528In Stock

Mfr. Part #
ULW5-4R7-J

Mouser Part #
756-ULW5-4R7-J

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 4.7 Ohms 5% FUSIBLE

Learn More

Datasheet

1,528In Stock

Cut Tape

S/5.29

S/3.05

S/2.48

S/1.86

Reel

S/1.35

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: S/4.13
1,829In Stock

Mfr. Part #
ULW5-4R7JT075

Mouser Part #
756-ULW5-4R7JT075

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 5W 4.7 Ohm 5% FUSIBLE

Learn More

Datasheet

1,829In Stock

Cut Tape

S/4.13

S/2.68

S/2.05

S/1.84

Reel

S/1.28

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: S/6.97
1,439In Stock

Mfr. Part #
ULW5ZI-68RJT045

Mouser Part #
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

S/6.97

S/4.01

S/3.28

S/2.46

Reel

S/1.90

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 68 ohm 5% FUSIBLE

ULW2-68RJA25
Welwyn Components / TT Electronics
1: S/2.49
3In Stock
2,500Expected 12/14/2026

Mfr. Part #
ULW2-68RJA25

Mouser Part #
756-ULW2-68R0JA25

Welwyn Components / TT Electronics

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

Learn More

Datasheet

3In Stock

2,500Expected 12/14/2026

S/2.49

S/1.61

S/1.22

S/1.09

Reel

S/0.615

View

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: S/2.49
2,450Expected 4/1/2027

Mfr. Part #
ULW2-100RJA25

Mouser Part #
756-ULW2-100R0JA25

Welwyn Components / TT Electronics

Wirewound Resistors - Through Hole 2W 100 ohm 5% FUSIBLE

Learn More

Datasheet

2,450Expected 4/1/2027

S/2.49

S/1.61

S/1.22

S/1.11

View

Reel

S/0.693

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

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