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| Power over Ethernet (PoE/PD) Flyback Transformer ELECTRONICS INC. EPC3248G-X & EPC3248G-X-LF * Used in SMPS DC/DC Converter as a Flyback Transformer in PoE/Powered Devices (PD) * Switching Frequency : 300 KHz to 400 KHz * Add "-LF" after part number for Lead Free * 40 % Duty Cycle Typ. @ 48 V Input * UL 94V-0 Recognized Components * UL 1446 Class B Insulation System * Low Core Loss Material Electrical Specifications @ 25C Part Number EPC3248G-1 EPC3248G-2 EPC3248G-3 EPC3248G-4 EPC3248G-5 EPC3248G-6 EPC3248G-7 EPC3248G-8 EPC3248G-9 EPC3248G-10 EPC3248G-11 EPC3248G-12 EPC3248G-13 EPC3248G-14 EPC3248G-15 Chipset DPA425 DPA425 DPA425 DPA423 DPA423 DPA423 DPA424 DPA424 DPA424 DPA424/5 DPA424/5 DPA424/5 DPA426 DPA426 DPA426 PD Class Voltage Primary OCL Current Power Usage (Vdc) (H 10%) (Amp.) (Watts) @ 300 KHz, Fb Fb 0.1 Vrms V In V Out Bias Min. Max. Sec 1 Bias 0 0.44 12.95 Default 36-57 3.3 13.2 120 3.92 .050 0 0.44 12.95 Default 36-57 5.0 13.33 120 2.59 .050 0 0.44 12.95 Default 36-57 12.0 12.0 120 1.08 .050 1 0.44 3.84 Optional 36-57 3.3 13.2 200 1.16 .050 1 0.44 3.84 Optional 36-57 5.0 13.33 200 0.77 .050 1 0.44 3.84 Optional 36-57 12.0 12.0 200 0.32 .050 2 3.84 6.49 Optional 36-57 3.3 13.2 120 1.97 .050 2 3.84 6.49 Optional 36-57 5.0 13.0 120 1.30 .050 2 3.84 6.49 Optional 36-57 12.0 12.0 120 0.54 .050 3 6.49 12.95 Optional 36-57 3.3 13.2 120 3.92 .050 3 6.49 12.95 Optional 36-57 5.0 13.2 120 2.59 .050 3 6.49 12.95 Optional 36-57 12.0 12.0 120 1.08 .050 4(PoEP) Reserved Reserved 36-57 3.3 13.2 25 12.12 .050 4(PoEP) Reserved Reserved 36-57 5.0 13.2 25 8.0 .050 4(PoEP) Reserved Reserved 36-57 12.0 12.0 25 3.33 .050 * Isolation : Pri., Bias to Sec. ; 1500 Vrms * Isolation : Pri. to Bias ; 500 Vrms * PoE Class Package Type ER14.5 ER14.5 ER14.5 ER9.5 ER9.5 ER9.5 ER11 ER11 ER11 ER14.5 ER14.5 ER14.5 EFD20 EFD20 EFD20 Schematic 1 1 1 2 2 2 1 1 1 1 1 1 3 3 3 Note : Class 4 is currently reserved for Power over Ethernet Plus (PoEP) and should not be used at this time. Notes : 1. Assembly Process (Solder Composition) 2. Peak Solder Rating (per IPC/JEDEC-J-STD-020C) EPC3248-X SnPb 225C 1 (Unlimited, 30C/60%RH) TBD grams (Tube) TBD pcs / tube EPC3248-X-LF Pb-Free 260C 1 (Unlimited, 30C/60%RH) TBD grams TBD pcs / tube 3. Moisture Sensitive Levels (MSL) (per IPC/JEDEC-J-STD-020C) 4. Weight 5. Packaging Information Schematic 1 1 V In (Pins 1-3) [36-57 Vdc] 10 2 3 Fb/Bias [13.2 V/0.05 A] 4 6 5 9 Sec. 1 7 V In [36-57 Vdc] Fb/Bias [13.2 V/0.05 A] 1 2 3 4 Schematic 2 Schematic 3 (Reserved for Class 4 PoEP) 1 8 7 Sec. 1 6 5 V In (Pins 1-3) 2 [36-57 Vdc] 3 5 Fb/Bias [13.2 V/0.05 A] 6 12 11 10 Sec. 1 9 8 7 Note : 1. Input Pins : Pins 1 & 3 2. Connect Pins 9,10 and 6,7 in user board for higher power Note : 1. Input Pins : Pins 1 & 2 2. Connect Pins 8,7 and 5,6 in user board for higher power Note : 1. Input Pins : Pins 1 & 3 2. Connect Pins 12,11,10 and 9,8,7 in user board for higher power 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. CSC3248G-X & -LFa Rev. 3 9/26/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com Power Over Ethernet (PoE/PD) Flyback Transform ELECTRONICS INC. EPC3248G-X & EPC3248G-X-LF Package ER11 Solder Pad Layout Solder Pad Layout .457 Max. (11.60) 10 PCA EPC3248G-X D.C. Package ER9.5 Marking : PCA EPC3248G-X D.C. .417 Max. (10.60) 8 5 .079 (2.00) .319 (8.10) .495 (12.57) .063 (1.60) 6 Glue to Bobbin .079 (2.00) .063 (1.60) Pin 1 I.D. 1 4 Pin 1 I.D. .362 (9.20) 5 .520 (13.20) 1 .236 (6.00) .235 Max. (6.00) .063 (1.60) .315 (8.00) .063 (1.60) .006 (.150) 0-8 .010 (.254) .244 Max. (6.20) .028 (.700) .008 (.200) 0-8 .010 (.254) .028 (.700) .079 (2.00) .028 (.725) .455 (11.55) .079 (2.00) .024 (.600) .480 (12.20) Package ER14.5 Marking : PCA EPC3248G-X Date Code .067 (1.70) Package EFD20 (Reserved for Class 4 PoEP) Pin 1 I.D. 1 .571 (15.50) 6 .098 (2.50) .854 Max. (21.70) 12 .028 (.700) 10 Pin 1 I.D. 1 5 .670 Solder Pad (17.02) Layout .118 .591 (3.00) (15.00) 6 7 .835 Max. (21.20) .394 (10.00) .014 Max. (.350) .067 (1.70) .021 (.305) Side Marking : PCA EPC3248G-X D.C. 0-8 .295 (7.50) .016 (.400) .425 Max. (10.80) 0-8 .028 (.700) .098 (2.50) .028 (.700) .630 (16.00) .080 (2.03) 1.055 (26.80) .010 (.250) .138 (3.50) .118 (3.00) 1 12 6 7 1.094 (28.60) 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. CSC3248G-X & -LFb Rev. 3 9/26/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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