W20 Wirewound Resistors

Welwyn / TT Electronics W20 Wirewound Resistors are CECC approved and offer high stability and reliability. Suitable for harsh environments, Welwyn / TT Electronics W20 Resistors have an impervious lead-free vitreous enamel coating. In addition, these resistors feature high-power dissipation for their size and overload characteristics ideal for protection circuits.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Resistance
Power Rating
Voltage Rating
Tolerance
Termination Style
Temperature Coefficient
Length
Width
Diameter
Minimum Operating Temperature
Maximum Operating Temperature
Series
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Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 330 ohm 5%
Datasheet
884In Stock
1,000Expected 2026/12/11
Min.: 1
Mult.: 1
: 1,000

330 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 33 ohm 5%
Datasheet
1,975In Stock
Min.: 1
Mult.: 1
: 1,000

33 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 390 ohm 5% 3W Vitreous Enamel
Datasheet
515In Stock
Min.: 1
Mult.: 1
: 1,000

390 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3 ohm 5% 3W Vitreous Enamel
Datasheet
996In Stock
Min.: 1
Mult.: 1
: 1,000

3 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 3.3 ohm 5%
Datasheet
38In Stock
1,000Expected 2027/02/01
Min.: 1
Mult.: 1
: 1,000

3.3 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3 ohm 5% 3W Wirewound Resistor
Datasheet
315In Stock
Min.: 1
Mult.: 1

3 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Bulk
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 43 ohm 5% 3W Vitreous Enamel
Datasheet
700In Stock
Min.: 1
Mult.: 1
: 1,000

43 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 47 ohm 5%
Datasheet
1,320In Stock
Min.: 1
Mult.: 1
: 1,000

47 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 4.7K ohm 5%
Datasheet
67In Stock
2,000Expected 2026/12/25
Min.: 1
Mult.: 1
: 1,000

4.7 kOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 4.7 ohm 5%
Datasheet
79In Stock
4,000On Order
Min.: 1
Mult.: 1
: 1,000

4.7 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 560 ohm 5% 3W Wirewound Resistor
Datasheet
900In Stock
Min.: 1
Mult.: 1
: 1,000

560 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 5.6K ohm 5% 3W Vitreous Enamel
Datasheet
1,393In Stock
Min.: 1
Mult.: 1
: 1,000

5.6 kOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 5.6 ohm 5% 3W Vitreous Enamel
Datasheet
1,212In Stock
Min.: 1
Mult.: 1
: 1,000

5.6 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 620 ohm 5% 3W Vitreous Enamel
Datasheet
878In Stock
Min.: 1
Mult.: 1
: 1,000

620 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 680 ohm 5%
Datasheet
1,392In Stock
Min.: 1
Mult.: 1
: 1,000

680 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 68 ohm 5%
Datasheet
1,395In Stock
Min.: 1
Mult.: 1
: 1,000

68 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 750 ohm 5% 3W Vitreous Enamel
Datasheet
99In Stock
Min.: 1
Mult.: 1
: 1,000

750 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 82 ohm 5% 3W Wirewound Resistor
Datasheet
1,354In Stock
Min.: 1
Mult.: 1
: 1,000

82 Ohms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.10 ohm 5%
Datasheet
1,135In Stock
Min.: 1
Mult.: 1
: 1,000

100 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.15 ohm 5%
Datasheet
27In Stock
3,000On Order
Min.: 1
Mult.: 1
: 1,000

150 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 0.18 ohm 5% 3W Vitreous Enamel
Datasheet
995In Stock
Min.: 1
Mult.: 1
: 1,000

180 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 200 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.22 ohm 5%
Datasheet
962In Stock
1,000Expected 2026/09/17
Min.: 1
Mult.: 1
: 1,000

220 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.33 ohm 5%
Datasheet
885In Stock
2,000Expected 2027/01/18
Min.: 1
Mult.: 1
: 1,000

330 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.47 ohm 5%
Datasheet
988In Stock
Min.: 1
Mult.: 1
: 1,000

470 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack
Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 3Watt 0.68 ohm 5%
Datasheet
556In Stock
Min.: 1
Mult.: 1
: 1,000

680 mOhms 3 W 100 V 5 % Axial 75 PPM / C 12.7 mm 5.6 mm - 55 C + 350 C W20 Ammo Pack