When load current is 50mA, B0505S-W2R2 provides about high efficiency of 70%+ (reference: <60% in the market); When load current is 10mA, it provides about high efficiency of 50%+ (reference: 25% in the market).
This series (UL60950/EN60950 approval) also offer continuous short-circuit protection, an operating temperature range of -40℃ to +105℃ and three-year warranty.
Continuous short-circuit protection
Operating temperature range : -40℃ to +105℃
Compact SIP package
Isolation : 1500VDC
International standard pin-out
Sample request: http://www.mornsun-power.com/html/support/SampleRequest.html