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CHB300-110S Series, 300 Watt, High Input, PCB Mounting DC-DC Converter

43~160 VDC Input Range

3000 VDC Isolation



  • Efficiency Up to 91%
  • Low No Load Power Consumption
  • Fixed Switching Frequency
  • 4:1 Input Range
  • Regulated Outputs
  • Input Under Voltage Protection
  • Fully Protected (OTP/OCP/OVP)
  • Remote On/Off
  • 3000Vac I/O Isolation
  • Operating Case Temperature -40 to +100℃
  • UL60950-1 2nd (Basic Insulation) Approval (Except 3.3Vout)
  • Shock & Vibration Meet EN50155 (EN61373)
  • Fire & Smoke Meet EN45545-2
  • Meet EN50155 With External Circuits
  • 5000m Operating Altitude

Models and Ratings

Model (Open Frame)Input VDCOutput VDCOutput CurrentSize (Open Frame)
CHB300W-110S3V243-160 Volts3.3 Volts60 Amps57.9 x 61×12.7mm
CHB300W-110S0543-160 Volts5 Volts60 Amps57.9 x 61×12.7mm
CHB300W-110S1243-160 Volts12 Volts25 Amps57.9 x 61×12.7mm
CHB300W-110S2443-160 Volts24 Volts12.5 Amps57.9 x 61×12.7mm
CHB300W-110S2843-160 Volts28 Volts10.7 Amps57.9 x 61×12.7mm
CHB300W-110S4843-160 Volts48 Volts6.25 Amps57.9 x 61×12.7mm

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