HSD, HSF type heatsink cooled resistors

Salient features

  • Power 12 - 300W
  • Working voltage 1200VAC
  • Dielectric strength 50Hz 1 min. 2500V
  • Protection degree IP00/IP50
  • Cooling method heatsink
  • Ohmic range 0R1 - 39kR


HSD / HSF are wirewound resistors on mica elements, fitted into a heatsink filled with a silicone rubber which is UL recognized up to a working temperature of 220°C. They are ideally suited as balancing resistors. HSD types have its terminals upwards (vertical) to the heatsink. HSF have its terminals parallel to the heatsink. Its nominal power depends on the heatsink temperature it is mounted on.


Heatsink power resistor

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