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SKA20 Series - 20W DC-DC Regulated Single Output Converter



A 20W single output regulated DC/DC converter, with a high efficiency circuit design of 89.5%. Free air convection cooling from -40°C to +75°C ambient temperature and up to +85°C by derating the output load. The power supply has a large range of protections including short circuit, overload, input and output over voltage.

Additional information







  • 2"x1" compact size
  • 2:1 wide input range
  • High efficiency up to 89.5%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in trimming output
  • Built-in EMI filter
  • Protections: Short Circuit/Overload/ Input and Output Over Voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost/high reliability
  • Industrial control
  • Telecom
  • Distributed power architecture
Input Voltage RangeA; 9~18VDC B: 18~36VDC C: 36~75VDC
Rated Power20W
Line Regulation±0.2%
Load Regulation±0.5%
Voltage Accuracy±2.0%
Switching Frequency300KHx typ.
Over Current Protection110~180% rated output power
Over Voltage Input A: >20~23VDC B: >40~43VDC C: >80~82VDC Input Voltage
Working Temperature-40~+85°C (Refer to
Working Humidity20~90% RH non-condensing
Storage Temp., Humidity-55~125°C, 10~95% RH
Temp. Coefficient±0.03%/°C (0~50°C)
Vibration10~500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
EMCCompliance to EN55022; EN61000-4-2,3,4,5,6,8
MTBF700Khrs min. MIL-HDBK-217(25°C)
  • CE
  • FCC