Description
This is a Cosel 252W PCB Mount Isolated DC-DC Converter. Its part number is SNDHS250B28. The SNDHS Series of isolated DC-DC converters have been designed to be very compact: ideally suited for applications where space is at a premium. They offer a wide range of power ratings and output voltages making them extremely versatile. Additional features include remote sensing, remote on/off and alarm. The units also offer overcurrent and overvoltage protection.
Features:
- Compact DC-DC Converter, SNDHS Series includes the DHS Series
- Highly efficient
- Built-in overcurrent, overvoltage and thermal protection circuits
- Built-in remote ON/OFF (secondary is optional)
- Conduction cooling (for example: heat radiation from the aluminium base plate to the attached heat sink)
- AC-DC Converter can be constituted with SNDPG series (only SNDHS50B/SNDHS100B/SNDHS250B)
Specifications:
- Output Voltage: 28V dc
- Output Voltage Adjustment Range: 25.2 → 30.8V
- Input Voltage Range: 200 → 400 V dc
- Input Voltage Nominal: 280 V dc
- Isolation Voltage: 3 kV ac, 500 V dc
- Power Rating: 252W
- Output Current: 9A
- Mounting Type: PCB Mount
- Number of Outputs: 1
- Efficiency: 86%
- Load Regulation: 100mV
- Minimum Temperature: -20°C
- Maximum Temperature: +95°C
- Series: SNDHS
- Width: 74.2mm
- Depth: 44.5mm
- Length: 127mm
- Standards Met: CE, CUL, CULus Recognised, EN 60950-1, UL 60950-1