DC-Transformer 251E-28-SD

Converter can be used in various applications

Key figures

  • ultrawide input voltage range: 16 ... 36 VDC
  • very high efficiency: up to 97%
  • input surge voltage: 37 VDC
  • output voltage / max. output current: 28.0 VDC /11.0 ADC


Buck-Boost DC-DC voltage converter with internal decoupling diode is suitable as a charging converter and can be switched in parallel. This converter is in a complete overhaul. Output voltages up to 48V should be easily tradable with the new generation. Contact us at any time for more information on this battery charger.


  • non-isolated step up converter
  • very low input ripple
  • continous no load and short circuit proof
  • for ambient temperatures of -40°C up to +85°C
  • thermal shutdown at +90°C
  • for active loads, can be connected in parallel
  • integrated EMI input and output filter
  • no derating of power
  • heatsinking metal plate
  • robust design
  • unipolar output voltage