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CQB75-300S-CMFC(D) Series, 75 Watt, High Input, Chassis Mounting DC-DC Converter

180~450 Input Range

3000 VDC Isolation

Complete, ready to use solution


  • Efficiency Up to 90%
  • Fixed Switching Frequency
  • Regulated Outputs
  • Remote On/Off
  • Low No Load Power Consumption
  • Fully Protected (OTP/OCP/OVP/UVLO)
  • 3000Vac I/O Isolation
  • Operating Case Temperature -40 to +100℃
  • EN55032/22 for EMC Characteristic
  • Safety Meets IEC/EN/UL 62368-1 2nd
  • Shock & Vibration MIL-STD-810F Compliant
  • Fire & Smoke EN45545 Compliant
  • Build-In EMI Filter
  • Chassis Mount, Baseplate Cooled

Models and Ratings

Model (Open Frame)Model (Enclosed)Input VDCOutput VDCOutput Current
CQB75-300S3V3-CMFCCQB75-300S3V3-CMFD180~450 Volts3.3 Volts15 Amps
CQB75-300S05-CMFCCQB75-300S05-CMFD180~450 Volts5 Volts15 Amps
CQB75-300S12-CMFCCQB75-300S12-CMFD180~450 Volts12 Volts6.25 Amps
CQB75-300S15-CMFCCQB75-300S15-CMFD180~450 Volts15 Volts5 Amps
CQB75-300S24-CMFCCQB75-300S24-CMFD180~450 Volts24 Volts3.12 Amps
CQB75-300S48-CMFCCQB75-300S48-CMFD180~450 Volts48 Volts1.56 Amps

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