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 (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Resistance
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Voltage Rating
Tolerance
Termination Style
Temperature Coefficient
Length
Width
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Welwyn Components / TT Electronics Wirewound Resistors - Through Hole 120 ohm 5% 3W Wirewound Resistor
Datasheet
700In Stock
1,000Expected 12/11/2026
Min.: 1
Mult.: 1
: 1,000

120 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 130 ohm 5% 3W Vitreous Enamel
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 1,000

130 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 150 ohm 5%
Datasheet
1,306In Stock
Min.: 1
Mult.: 1
: 1,000

150 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 15 ohm 5%
Datasheet
1,193In Stock
Min.: 1
Mult.: 1
: 1,000

15 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 180 ohm 1% 3W Vitreous Enamel
Datasheet
898In Stock
Min.: 1
Mult.: 1
: 1,000

180 Ohms 3 W 100 V 1 % 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 18 ohm 5% 3W Vitreous Enamel
Datasheet
725In Stock
Min.: 1
Mult.: 1
: 1,000

18 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 1K ohm 5%
Datasheet
1,336In Stock
4,000Expected 12/22/2026
Min.: 1
Mult.: 1
: 1,000

1 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 1.5K ohm 5%
Datasheet
945In Stock
Min.: 1
Mult.: 1
: 1,000

1.5 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 1.0 ohm 5%
Datasheet
2,025In Stock
Min.: 1
Mult.: 1
: 1,000

1 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 1.5 ohm 5%
Datasheet
349In Stock
Min.: 1
Mult.: 1
: 1,000

1.5 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 1.8 ohm 5% 3W Vitreous Enamel
Datasheet
605In Stock
Min.: 1
Mult.: 1
: 1,000

1.8 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 1 ohm 5% 3W Wirewound Resistor
Datasheet
949In Stock
Min.: 1
Mult.: 1

1 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 3Watt 220 ohm 5%
Datasheet
2,525In Stock
Min.: 1
Mult.: 1
: 1,000

220 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 22 ohm 5%
Datasheet
932In Stock
2,000On Order
Min.: 1
Mult.: 1
: 1,000

22 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 240 ohm 1% 3W Vitreous Enamel
Datasheet
680In Stock
Min.: 1
Mult.: 1
: 1,000

240 Ohms 3 W 100 V 1 % 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 270 ohm 5% 3W Wirewound Resistor
Datasheet
1,975In Stock
1,000On Order
Min.: 1
Mult.: 1
: 1,000

270 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 27 ohm 5% 3W Wirewound Resistor
Datasheet
893In Stock
Min.: 1
Mult.: 1
: 1,000

27 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 2K ohm 1% 3W
Datasheet
633In Stock
Min.: 1
Mult.: 1
: 1,000

2 kOhms 3 W 100 V 1 % 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 2.4K ohm 5% 3W Vitreous Enamel
Datasheet
340In Stock
Min.: 1
Mult.: 1
: 1,000

2.4 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 3Watt 2.2 ohm 5%
Datasheet
311In Stock
1,000Expected 9/29/2026
Min.: 1
Mult.: 1
: 1,000

2.2 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 2.4 ohm 5% 3W Vitreous Enamel
Datasheet
286In Stock
Min.: 1
Mult.: 1
: 1,000

2.4 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 2.7 ohm 5% 3W Wirewound Resistor
Datasheet
1,498In Stock
Min.: 1
Mult.: 1
: 1,000

2.7 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 300 ohm 5% 3W Wirewound Resistor
Datasheet
585In Stock
Min.: 1
Mult.: 1
: 1,000

300 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 330 ohm 5%
Datasheet
884In Stock
1,000Expected 12/11/2026
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
1,985In 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