Flyback Transformer ELECTRONICS INC. EPC3058G & EPC3058G-LF • Used in Flyback Topology Converter • Add “-LF” after part number for Lead-Free • Bobbin : UL94V-0 Recognized Materials • UL 1446 Class B Insulation System • Gapped Transformer Electrical Parameters @ 25° C Inductance (µH ± 10%) DCR (Ω Max.) Turns Ratio Leakage Inductance (µH Typ.) @ 100 KHz, 0.1 Vrms Dielectric Rating (Vac) @ 100 KHz, 0.1 Vrms 5 .200 .250 .020 2.3:1 2.3:1 4:1 0.10 500 Pins 10,9-1,2 Pins 8-3,7-4 Pins 6-5 Pins 10,9-1,2 Pins 6-5: 10,9-1,2 Pins 7-4: 10,9-1,2 Pins 8-3: 10,9-1,2 Pins 10,9-1,2 All other wdg’s shorted Pri. to Sec. Wdg’s • Notes : Short Pins 10-9 ; Short Pins 1 & 2 during testing • Package Schematic 6 .854 Max. (12.70) Pin 1 I.D. -24V .449 Max. (11.40) PCA EPC3058G(-LF) D.C. .012 (.300) 5 1 7 9 4 2 8 -48V .827 (21.00) .071 (1.80) .590 (15.00) 10 -90V 3 .079 (2.00) 10 6 1.008 (25.60) Suggested Pad Layout 1 .110 (2.80) 5 .148 (3.75) .039 (1.00) .148 (3.75) Notes : .079 (2.00) EPC3058G EPC3058G-LF 1. Lead Finish SnPb Hot Tin Dip (Sn) 2. Peak Solder Rating 225°C 260°C (for wave solder process Only) 4. Weight 5. Packaging Information (Tube) TBD grams TBD grams TBD pcs / tube TBD pcs / tube Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSC3058G & -LF Rev. Orig1 9/14/06 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com