PoE Synchronous Flyback Transformer ELECTRONICS INC. EPC3603G-LF • Designed to work with LTC4269-1 and LT4276B • Storage Temperature : -40°C to +125°C • Operating Temperature : -40°C to +85°C • Small Size and Cost Effective • Max. Duty Cycle : 42% • Lead Free Electrical Parameters @ 25° C Primary OCL (µH ± 10%) Input Voltage (Vdc) Secondary Output (Vdc) Auxiliary Output (Vdc) @ 100 KHz, 1.0 Vrms 37 40-57 24 (1A) 12.5 (10mA) Pins 3-5 Pins 3-5 Pins 10/9 - 7/6 Pins 1-2 Leakage Inductance (µH Max.) @ 100 KHz, 1.0 Vrms 0.40 Pins 3-5 with others shorted Turns Ratio DCR (Ω Max.) Aux : Pri : Sec1:Sec2 Pri. Sec. 1: 1.8 : 1.8: 1.8 0.090 0.110 Pins 1-2:3-5:10-7:9-6 Pins 3-5 Pins 9-6 or Pins10-7 Aux. 0.700 Pins 1-2 • Isolation : 1500 Vrms (Wdg-Wdg, Wdgs. to Core) • Package 6 0.550 Max. (13.97) Schematic 0.550 Max. (13.97) 0.050 (1.27) 10 PCA EPC3603G -LF D.C. 5 0.715 (18.16) Pad Layout 1 0.098 (2.49) 0.028 (0.711) 0.098 (2.49) 0.485 Max. (12.32) 0.005/0.015 (0.127/0.381) 0.090 (2.29) 1 Aux. 2 10 Sec. 1 7 3 Pri. 5 9 Sec. 2 6 Component Placement Outline 0.740 x 0.550 (18.80 x 13.97) Output 0.008/0.012 (0.203/0.305) 0°-8° 0.031 (0.787) 0.695 Max. (17.65) EPC3603G-LF Notes : 1. Lead Finish Hot Dipped Sn or SnCu 2. Peak Solder Rating 245°C 3. Weight 4. Packaging Information 5.6 grams Tape & Reel : 200 pieces/13” reel 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. CSC3603G-LF Rev. 1 8/26/15 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com