THN 20WIR - ruggedized series of 20 Watt DC/DC converters

THN20WIR serien

The THN 20WIR series is a family of ruggedized 20 Watt DC/DC converters for highest reliability in harsh environments. The converters have a wide 4:1 input range and increased resistance against electromagnetic interference, shock/vibration and thermal shock and come in a six-side shielded 1” x 1” metal package.

High efficiencies up to 91%

The innovative design provides high efficiencies up to 91% and thus enable an operating temperature to range from -40 to +65°C without derating.

The approvals according to standards EN 50155 and EN 61373 qualify them for railway and transportation systems. Additional qualification for the fire behavior of components according to EN 45545-2 and the safety approval according to IEC/EN 62368-1, UL62368-1 support a potential compliance test of the application.

Built-in features like an internal EN 55032 class A filter, input under- voltage-lockout, short circuit protection, remote On/Off and output voltage trim make this series suitable for almost any application demands and thus facilitate the design-in process


  • Compact 1” x 1” metal package
  • EN 50155 and EN 61373 approval for railway applications
  • Qualification for fire behavior according to EN 45545-2
  • Wide 4:1 input voltage: 9-36, 18-75, 36-160 VDC
  • Operating temperature range -40 to +65 °C without derating
  • High efficiency up to 91%
  • 3000 VDC I/O-isolation
  • Protection against overload, overvoltage and short circuit
  • Remote On/Off and Trim function
  • 3-year product warranty

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