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VHRF20-28 EMI Filter

The VHRF20 EMI filter is designed to filter the conducted emissions of multiple VHR series DC-DC converters up to its current rating, providing compliance to MIL-STD-461D-G for conducted emissions.


  • High reliability at low cost
  • Wide input voltage range: 0 to 50V
  • Up to 20.0 Amp maximum current
  • Operation over a -40 °C to +100 °C temperature range
  • 55 dB minimum attenuation at 500 kHz

Compliances and Certifications:

  • MIL-STD-1275
  • MIL-STD-704
  • MIL-STD-461 C-G and EN55022 when used with an appropriate VHR DC-DC converter
  • MIL-STD-461C, CS01 and CS02, and MIL-STD-461 C-G conducted susceptibility requirements when used with an appropriate VHR Series DC-DC Converter

Summary Data

For complete specifications, please see the official datasheet.

To provide you with the most accurate data for the actual performance of this product once deployed, please note that the electrical performance data provided below is at Tcase = -40° C to +100° C, Vin= +28V ±5%, full load, unless otherwise specified.

Select a product to view its specifications:

Input VoltageContinuous
Output Current(1)Vin: 0-50V0 20.0A
Output Power(1)400
Noise Rejectionf=500kHz45  dB

(1) Derate linearly to 0° at 110°C
(2) Verified by qualification testing
VPT, Inc.