... - power: 0. 5w-250W - specially used in switching power supply and all kinds of high-freFeatures:- power:0.5W - 250W- specially ... EI, ER, ETD, EFD, EPC, PQ, POT and RM, etc.Varnish treatment – fully vacuum impregnationBuild and Design for long lasting qualityAll designs met ... with UL, CSA, IEC, TUV and VDE safety standards.These are the Tailor made itemsFor standard ...