TTElectronics - Welwyn WMHP20-270RF Datasheet & Stock

The Welwyn WMHP series are heatsink through hole mount high power resistors. Resistance range includes E24 decade values from 0.05ohm to 10Kohm.




Available in WMHP20, WMHP35, WMHP50 in TO-220 and WMHP100 in TO-247 case style

Power rating is 20W (WMHP20), 35W (WMHP35), 50W (WMHP50) & 100W (WMHP100) with heatsink

Power rating is 1.5W (WMHP20), 2.5W (WMHP35), 3W (WMHP50) & 3.5W (WMHP100) without heatsink

Available in ±1% and ±5% tolerance

Working temperature range from -65°C to 175°C

Temperature coefficient of resistance is ±50ppm/°C, ±100ppm/°C and ±300ppm/°C and ±1000ppm/°C

Dielectric strength is 1800V

Insulation resistance is greater than 10Gohm

Limiting element voltage is 350V (WMHP20, WMHP35, WMHP50) & 700V (WMHP100)

High Power Resistor