High-Surge MELF Resistors (HSMW)

Welwyn / TT Electronics High-Surge MELF Resistors (HSMW) are engineered to deliver exceptional surge tolerance and controlled failure performance in compact, surface-mount designs. Combining wirewound construction with a robust MELF package, these resistors deliver reliable protection against high-energy transients while maintaining stable operation under continuous load. The HSMW product line from Welwyn / TT Electronics withstands fast inrush energies up to 6.5J and protects against lightning surge events up to 3.8kV (1.2/50µs). These resistors are designed for use in power conversion and mains-connected applications where reliability and safety are crucial.

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Dami RoHS ECAD Model Resistance
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Packaging
Welwyn Components / TT Electronics MELF Resistors 100 OHM 5% 200PPM 1W
Datasheet
5,650May Stock
Min.: 1
Mult.: 1
: 2,000

100 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 10 OHM 5% 200PPM 1W
Datasheet
3,890May Stock
Min.: 1
Mult.: 1
: 2,000

10 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 1 OHM 5% 200PPM 1W
Datasheet
5,890May Stock
Min.: 1
Mult.: 1
: 2,000

1 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 220 OHM 5% 200PPM 1W
Datasheet
4,808May Stock
6,000Inoorder
Min.: 1
Mult.: 1
: 2,000

220 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 22 OHM 5% 200PPM 1W
Datasheet
3,850May Stock
Min.: 1
Mult.: 1
: 2,000

22 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 2.2 OHM 5% 200PPM 1W
Datasheet
5,970May Stock
Min.: 1
Mult.: 1
: 2,000

2.2 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 470 OHM 5% 200PPM 1W
Datasheet
5,810May Stock
Min.: 1
Mult.: 1
: 2,000

470 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 47 OHM 5% 200PPM 1W
Datasheet
6,000May Stock
6,000Inaasahan 10/6/2026
Min.: 1
Mult.: 1
: 2,000

47 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 4.7 OHM 5% 200PPM 1W
Datasheet
5,959May Stock
Min.: 1
Mult.: 1
: 2,000

4.7 Ohms 1 W 5 % 200 PPM / C - 55 C + 155 C 3.5 mm 9 mm Reel, Cut Tape