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| Flyback Transformer ELECTRONICS INC. EPC3145 * Used in SPMS 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 302 Pins 1-2 1.17 Pins 1-2 .030 Pins 8-7 .008 Pins 6-5 .122 Pins 3-4 DCR ( Typ.) Leakage Inductance (H Typ.) 100 KHz 0.1 Vrms 18 Pins 1-2 with 3,4,5,6,7,8 Shorted 7.916 Pins 1-2 to Pins 8-7 19.0 Pins 1-2 to Pins 6-5 13.57 Pins 1-2 to Pins 3-4 Turns Ratio 1 Minute 1500 Pri. to Sec 1 Sec. 2, Sec 3 Isolation (Vrms) 1 Minute 500 Pri., Sec 1, Sec 3 Sec. 2 to Core Schematic Notes : 1. Pri Ipk = 1.4 Amp 2. Pri Irms = 0.58 Amp Copper Shield 1 Pri. 2 3 Sec =3 Irms = 0.3 Amp (7 V) 4 8 Sec. =1 Irms = 3.29 Amp (12 V) 7 6 Sec. =2 Irms = 6.11 Amp (5 V) 5 Package .787 Max. (20.00) White Dot Pin # 1 PCA EPC3145 D.C .689 Max. (17.50) Side .150 Min. (3.80) .150 (3.80) 1 4 .026 (.650) .669 Max. (17.00) 8 5 .514 (13.05) Bottom .201 (5.10) .118 Max. (3.00) 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. CSC3145 Rev. 5/14/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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