DIMENSIONS: (UNIT: mm)2. SCHEMATICS:3.ELETCRONICAL CHARACTERISTICS:1.Inductance (3~5) :628 uH ±  10%@ 1.0 KHz, 1.0 Vrms2.Turns Ratio :3~4 : 8~6 : 4~5 : 2~1 = 16 : 12 : 15 : 4 +/-3%3.Insulation Strength :1.5KV AC 5mA 3sec@ Pri to Sec1.0KV AC 5mA 3sec@ Pri to Core , Sec to Core4.WINDING STRUCTURE:WINDSFWIRETURNSTAPEREMARKSN134∮0.25mm*1 2UEW161N286∮0.35mm*1 TEX-E121N345∮0.25mm*1 2UEW151N421∮0.25mm*1 2UEW425.MATERIAL LIST:No.DESCRIPTIONSMATERIALSMANUFACTURE1BOBBINEDR2609 5+3PIN DIP PHENOLICJI XIANG TENG2COREEDR2609 TP4TDG3WIRE2UEW 0.25mmYI DATEX-E 0.35mmFURUKAWA4TAPEPOLYESTER TAPE 4.0mm YELCHUN YIPOLYESTER TAPE 21.0mm YEL5VARNISHAC-43CHANG XIAN6SOLDER99.3Sn/0.7CuTHOUSAND6.REMARKS:1.YELLOW TAPE BE USED FOR INSULATION.2.FIXED THE CORES WITH 21mm TAPE.3.DIP THE UNIT INTO THE VARNISH.