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Railway certified, quarter-brick, 75W DC-DC converter

The MINMAX MRZI75 series is a 75W high-performance isolated DC-DC converter with a compact quarter-brick design, specifically for railway applications. It delivers up to 91% efficiency and offers a 36-160VDC input range and stable output voltages between 5 and 54VDC.

With advanced circuit design, the MRZI75 enables reliable operation at baseplate temperatures of up to +105°C. It ensures high I/O isolation of 2000VAC with reinforced insulation. Further product features include under-voltage, overload/voltage/temperature and short circuit protection. Additionally, it supports remote On/Off control, output voltage trimming, and output sense.

MRZI75 is approved by railway standard EN 50155, and EMC standard EN 50121-3-2 and meets EN45545-2 fire protection standards.

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Key features

  • Ultra-wide input voltage range 36-160VDC
  • High efficiency up to 91%
  • Industrial Standard Quarter Brick Package
  • Passed Temperature Cycle Test (TCT) more than 1000 Cycles
  • I/O Isolation 2000VAC with reinforced insulation
  • Operating baseplate temperarute range -40° to +105°C
  • No Min. Load Requirement
  • Under-voltage, overload/voltage/temp. and short circuit protection
  • Remote On/Off control, output voltage trim, output sense 

Applications

  • Railway
  • HVAC systems
  • Traction control systems
  • Surveillance equipment
  • Communication systems

Downloads

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