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  Datasheet File OCR Text:
 PoE Flyback Transformer
ELECTRONICS INC.
EPC3391G & EPC3391G-LF
* 45W PoE Applications * Designed to work with LT1725 * Used in Flyback Topology Converter * Bobbin : UL94V-0 Recognized Materials * Storage Temperature : -40C to +125C * Operating Temperature : 0C to +70C * UL 1446 Class B Insulation System * Duty Cycle : 50% Max.
Electrical Parameters @ 25 C
Inductance (H 10%) @ 100 KHz, 1.0 Vrms 42 Pins 1-3 0.1 Pins 1-3
DCR ( Typ.)
Turns Ratio
Leakage Inductance (H Max.) @ 100 KHz, 1.0 Vrms
Dielectric Rating (Vrms)
0.135 Pins 5-6
0.06 Pins 8-11
2.4:1 Pins 1-3:5-6
0.9:1 Pins 1-3:8-11
1.0 Pins 1-3 All other wdg's shorted
1500 Wdg's - Wdg's Wdg's - Core
Package
Pin 1 I.D. Pri. (36-57 Vdc) .810 (20.57) 1 3 5 6
Schematic
8 11
Marking: PCA EPC3391G(-LF) D.C.
Sec. 36 V (1.25 A)
Vcc 15 V (10 mA)
.450 Max. (11.43) .969 (24.60) .827 (21.00)
0.004 (.100) .084 (2.13) .028 (.720) .130 (3.30) .930 (23.62) .050 (1.27)
6
7
PCB Layout (Top View) 1 12 .118 (3.00) .118 (3.00)
Component Outline 1.250 x .850 (31.75 x 21.60)
Notes : 1. Lead Finish 2. Peak Solder Rating
(for wave solder process Only)
EPC3391G SnPb 225C 11.1 grams (Tube) 25 pcs / tube
EPC3391G-LF Hot Tin Dip (Sn) 260C 11.1 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.
CSC3391G & -LF Rev. 1 12/13/07 JDG
TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com


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