... switching power supply 2.CE,ROHS,ISO 3.Warranty:18months 4.Sample order available 5.10 years experience,OEM,ODM S-35W PSU switching power ... OFF control7)100% full load burn-in test8)Fixed switching frequency at 25KHZ2.Specification: Model Ouput Error Range Efficiency ... stability test:the load is from 0% to 100%.8.S,D,T,Q,DC-DC,Din rail type ... wide11. picture is as follow: S-35W PSU switching power supply