THN 15WIR Series, 15 Watt

THN 15WIR Series

The THN 15WIR series is a family of ruggedized 15 Watt DC/DC converters for highest reliability in harsh environments. The converters have an increased resistance against electromagnetic interference, shock/vibration and thermal shock.

The approvals according to standards EN 50155 and EN 61373 qualify them for railway and transportation systems. The qualification for the fire behaviour of components according to EN 45545-2 and the safety approval according to IEC/EN 60950-1, UL60950-1 support a potential compliance test of the application. Built-in EMI 55022 class A filter, input under-voltage-lockout, short circuit protection, remote On/Off and output voltage trim are further features which facilitate the design in.


  • Compact 1.0" x 1.0" x 0.4" standard package
  • Ultra-wide 4:1 input voltage range 9–36, 18–75, 36–160 VDC
  • EN 50155 and EN 61373 approval for railway applications
  • Qualification for fire behaviour according to EN 45545-2
  • 3000 VDC I/O-isolation
  • High efficiency up to 91%
  • Operating temperature range –40°C to +90°C
  • Under-voltage lock out circuit
  • Adjustable output voltage & Remote On/Off
  • 3-year product warranty

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