PoE Flyback Transformer ELECTRONICS INC. EPC3394G & EPC3394G-LF • 45W PoE Applications • Designed to work with LT1725 • Used in Flyback Topology Converter • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to +125°C • Operating Temperature : 0°C to +70°C • UL 1446 Class B Insulation System • Duty Cycle : 50% Max. Electrical Parameters @ 25° C Inductance (µH ± 10%) DCR (Ω Typ.) Turns Ratio Leakage Inductance (µH Max.) @ 100 KHz, 1.0 Vrms Dielectric Rating (Vrms) @ 100 KHz, 1.0 Vrms 42 0.026 0.600 0.03 2.33:1 1:1 1.0 1500 Pins 1-2 Pins 1-2 Pins 4-5 Pins 7-9 Pins 1-2:4-5 Pins 1-2:7-9 Pins 1-2 All other wdg’s shorted Wdg’s - Wdg’s Wdg’s - Core Package Schematic Pin 1 I.D. Pri. (36-57 Vdc) 1.016 (25.80) Marking: PCA EPC3394G(-LF) D.C. .530 (13.46) Vcc 15 V (10 mA) 1 2 7 4 9 Sec. 36 V (1.25 A) 5 0.004 (.100) 1.240 (31.50) .035 (.900) 1.024 (26.00) 5 .043 (1.10) 6 .197 (5.00) 1 1.087 (27.60) .150 (3.81) .080 (2.03) PCB Layout (Top View) .197 (5.00) Component Outline 1.450 x 1.050 (36.80 x 26.67) 10 EPC3394G EPC3394G-LF 1. Lead Finish SnPb Hot Tin Dip (Sn) or (SnCu) 2. Peak Solder Rating 225°C 260°C Notes : (for wave solder process Only) 3. Weight 4. Packaging Information (Tube) 24 grams 24 grams 20 pcs / tube 20 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. CSC3394G & -LF Rev. 1 12/17/07 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com