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| Flyback Transformer ELECTRONICS INC. EPA3920 * Used in Fuel Cell Applications * Used in SMPS Flyback Topolgy * Gapped Transformer * Low Core Loss Material * UL 94V-0 Recognized Components * UL 1446 Class B Insulation System * Works up to 200 KHz Switching Frequency Primary Specification Inductance (H 10%) 10 KHz, 0.1 Vrms 11 Pins 1,2,3 to 5,6,7 .0023 Pins 1,2,3 to 5,6,7 DCR ( Typ.) Leakage Inductance (H Typ.) 100 KHz, 0.1 Vrms .0065 .200 Pri. with Sec.Shorted Turns Ratio 1 Minute 1:1.5 Pri. to Sec. 1500 Pri. to Sec 1 Isolation (Vrms) 1 Minute 500 Pri., Sec 1 to Core Pins 14,13,12 to 8,9,10 Notes : 1. Primary Ipk = 45 Amp 2. Primary Irms = 28 Amp 3. Primary Average = 19 Amp 4. Secondary Ipk = 30 Amp 5. Secondary Irms = 20 Amp 6. Secondary Average = 14.5 Amp 7. Secondary Inductance = 26 H 8. Vin = 24 Vac (16 Vdc Min./40 Vdc Max.) 9. Frequency = 90 KHz Schematic Pri. 1, 2, 3 5, 6, 7 Sec. 14, 13, 12 8, 9, 10 Package 2.19 Typ. (55.63) PCA EPA3920 D.C Pin 1 I.D. 1.74 Typ. (44.45) .150 Min. (3.80) Side .197 (5.00) .048 (1.22) .394 (10.01) 2.18 (55.37) 1.60 (40.64) Bottom 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. CSA3920 Rev. 8/21/02 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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