Flyback Transformer EPC3040 E L E CT R O N I C S I N C . • Used in Flyback Converter Topology • • Isolation : 625 Vrms • • Gapped Core • Primary Specification Inductance (µH ± 5%) Turns Ratio Inductance Change @ .50 Adc DCR (Ω ± 10%) @ 10 KHz, 0.1 Vrms 80 .101 .017 .046 10% Max 4:1 1.8:1 Pins 1-3 Pins 1-3 Pins 10-6 Pins 4-5 Pins 1-3 Pins 1-3:10-6 Pins 1-3:4-5 Schematic Package 1 5 10 6 PCA EPC3040 D.C. 5 10 4 1 G B 1 6 Dimensions 10 F C Q E J 6 3 5 D A M N Dim. Min. A B C D E F G H J M N Q ----------------.100 ------- (Inches) Max. Nom. .550 .550 .500 ----------.130 ------- ------.400 .039 .100 .400 .024 .115 .039 .100 .400 (Millimeters) Min. Max. Nom. ----------------2.54 ------- 13.97 13.97 12.70 ----------3.30 ------- ------10.16 1.0 2.54 10.16 .60 2.92 1.0 2.54 10.16 H PCA ELECTRONICS, INC. 6799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSC3040 Rev. 1 11/1/01 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pcainc.com