DIMENSIONS: (UNIT: mm)ELETCRONICAL CHARACTERISTICS:1.Inductance (3`4) :19.0 mH ± 25%@ 1.0 KHz, 1.0 Vrms2.Turns Ratio :3~4 : 2~5 : 10~7 : 7~12 = 90 : 90 : 8 : 83.Insulation Strength :3.0KV AC 5mA 3sec@ Pri to Sec2.5KV AC 5mA 3sec@ Pri to Core , Sec to CoreWINDING STRUCTURE:WINDSFWIRETURNSTAPEREMARKSN134∮0.25mm*2 2UEW902EvenlyN225∮0.25mm*2 2UEW903EvenlyN3107∮0.20mm*14 2UEW82EvenlyN4712∮0.20mm*14 2UEW82EvenlySHIELD13COPPER FOIL 0.05*18.0mm12MATERIAL LIST:No.DESCRIPTIONSMATERIALSMANUFACTURE1BOBBINETD29 7+7PIN DIP PHENOLICJI XIANG TENG2COREETD29 TP4TDG2UEW 0.25mm3WIREYI DA2UEW 0.20mm*144TAPEPOLYESTER TAPE 20.5mmCHUN YI5COPPER FOIL0.05mm*18.0mmHONG LI YUAN6SLEEVINGTELFON A#15 CLEARHONG YU7VARNISHAC-43CHANG XIAN8SOLDER99.3Sn/0.7CuTHOUSANDREMARKS:1.ADD SLEEVING FOR ALL OF LEAD WIRE.2.FIXED THE CORES WITH 10.0mm TAPE.3.MARKING THE PRAT NUMBER ON UNIT.4.DIP THE UNIT INTO THE VARNISH.