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| Push-Pull Low Power Transformer ELECTRONICS INC. EPC3117S-X & EPC3117S-X-LF * Designed for use with Maxim Max845 * Used in SMPS Push-Pull Topology * UL 94V-0 Recognized Components * UL 1446 Class B Insulation System * Add "-LF" after part number for Lead-Free * Switching Frequency : 250 KHz-1 Mhz * 8 Pin SOIC PCMCIA Package * 700 Vdc Minimum Isolation * Very Low Core Loss Electrical Parameters @ 25 C PCA Part Number EPC3117S-1(-LF) EPC3117S-2(-LF) Voltage (V) Primary OCL (H Typ.) Turns Ratio (Pri. to Sec.) ET (V-Sec.) Duty Cycle (%) Rectification (Half or Full Wave) V out V in @ 100 KHz, 0.1 Vrms Pri. :Sec. @ 350 KHz Connections 75 3.3 5 150 1:1:2:2 7.1 Output Center Tap 75 5 5 375 1:1:1.3:1.3 11 Output Center Tap 75 5 10 375 1:1:1.3:1.3 11 Voltage Doubler 75 *EPC3117S-3(-LF) 5 10 375 1:1:2.67:2.67 11 Output Center Tap 80 *EPC3117S-4(-LF) 5 12 375 1:1:3:3 11 Output Center Tap 80 5 24 375 1:1:3:3 11 Voltage Doubler 75 EPC3117S-5(-LF) 3.3 5 150 1:1:1:1 7.1 Voltage Doubler 75 EPC3117S-6(-LF) 5 5 375 1:1:.67:.67 11 Voltage Doubler 80 EPC3117S-7(-LF) 5 12 375 1:1:1.5:1.5 11 Voltage Doubler 75 EPC3117S-8(-LF) 5 15 375 1:1:2:2 11 Voltage Doubler * Connections : Output Center Tap as Common/Return * Operating Temperature : -40C to +85C * { { Package .290 (7.37) .070 (1.78) Marking : PCA EPC3117S(-LF) Date Code Pin 1 I.D. .150 (3.81) *.098 Max. (2.49) for EPC3117S-3/-4 .003/.010 (.076/.254) 0-8 .008/.012 (.203/.304) .050 (1.27) Pri. .090 (2.29) 1 2 3 .270 (6.86) .420 Pad (10.67) Layout 4 Schematic Sec. 8 7 6 5 .030 (.762) Application .088 Max. (2.24) .050 (1.27) .018/.022 (.457/.559) Notes : 1. Assembly Process (Solder Composition) 2. Peak Temperature Rating 3. Weight 4. Packaging Information (Tube) EPC3117S SnPb 225C (10 +2/-0) Seconds TBD grams TBD pcs / tube .025 (.635) .365 (9.27) EPC3117S-LF Sn100 260C (10 +2/-0) Seconds TBD grams TBD pcs / tube 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. CSC3117S & -LF Rev. 3 3/21/06 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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