WMHP20-4R7F - 

Through Hole Resistor, 4.7 ohm, WMHP Series, 350 V, Thick Film, TO-220, 20 W

WMHP20-4R7F - Through Hole Resistor, 4.7 ohm, WMHP Series, 350 V, Thick Film, TO-220, 20 W

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Manufacturer Part No:
Newark Part No.:
Product Range
WMHP Series
Technical Datasheet:
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Product Information

WMHP Series
Thick Film
± 1%
± 100ppm/°C
To Be Advised
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Product Overview

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


Industrial, Power Management, Consumer Electronics, Portable Devices

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