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| 25W Flyback Transformer ELECTRONICS INC. EPC3472G & EPC3472G-LF * Designed to work with Linear Tech. LTC4278 * Bobbin : UL94V-0 Recognized Materials * Storage Temperature : -40C to +125C * Operating Temperature : 0C to +70C * Class 130C Insulation System * Duty Cycle : 62% Max. * Switching Frequency : 250kHz * Add "-LF" after part for Lead Free Electrical Parameters @ 25 C Inductance (H 5%) @ 100 KHz, 1.0 Vrms 9.0 Pri. 13.5 Pri. DCR (m Typ.) Turns Ratio Cw-w (pF Typ.) @ 100 KHz, 1.0 Vrms Leakage Inductance (H Max.) @ 100 KHz, 1.0 Vrms 0.25 Pri. w/ Aux. and Sec. shorted Dielectric Rating (Vrms) 280 Aux. 2.6 Sec. 1:0.375 Pri.:Sec. 1:0.75 Pri.:Aux. 87 Pri. to Aux. and Sec. 1500 Wdg. - Wdg. Wdgs. - Core Package 1 1 12 0.830 (21.08) 6 7 Pri. 9V to 57V 2 3 4 Aux. 10V (30mA) 0.004 (0.10) 1.128 (28.65) 0.875 (22.23) 6 7 5 6 Schematic 12 11 Sec. 5V (5A) 8 7 0.440 Max. (11.18) 0.079 (2.01) 0.028 (0.71) 0.150 (3.81) 0.866 (22.0) 0.080 (2.03) PCB Layout (Top View) 0.118 (3.00) 1 Notes : 1. Lead Finish 2. Peak Solder Rating (for wave solder process Only) 0.118 (3.00) Component Outline 1.20 x 0.840 (30.48 x 21.34) 12 EPC3472G SnPb 225C 13.5 grams (Tube) 25 pcs / tube EPC3472G-LF Hot Tin Dip (Sn) or SnCu 260C 13.5 grams 25 pcs / tube 3. Weight 4. Packaging Information 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. CSC3472G & -LF Rev.4 12-07-09 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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