SMD PoE Power Transformers CTPTF Series www.ctparts.com CHARACTERISTICS Description: SMD Transformers for Power over Ethernet(PoE) Features: • Designed for 200KHz switching frequency. • Power: 3W~27W • Hipot: 1500Vrms • Three different SMD platforms. • Custom designs available. Operating Temperature: -40°C to +125°C Storage Temperature: -55°C to +125°C Solder reflow temperature: 245°C for 10 seconds maximum Miscellaneous: RoHS Compliant. Samples available. See website for ordering information. From 3W to 27W notes from tables 1. 2. 3. 4. 5. Turn ratio is with the secondary windings connected in parallel. L(nom) = Nominal Inductance is for PRI winding, measured at 200KHz, 0.1Vrms, 0Adc. Leakage inductance measured between PRI with other pins shorted. DCR for the secondary windings connected in parallel. Output is with the secondary windings connected in parallel. Not Shown at Actual Size SPECIFICATIONS ep7 8pin smd Dcr Max. (W) (4) Inductance ±10% (µH) Leakage Inductance Max. (µH) Part Number Turns Ratio Pri:Sec:AUX Pri Aux Sec ctptf-5011ep7 1:0.083:0.208 500 33~57v, 200khz 7.5 1.75 0.215 0.015 ctptf-3111ep7 1:0.182:0.682 310 33~57v, 200khz 5.0 1.60 2.60 0.045 Vo=3.3V/3W, 12V20mA ctptf-5012ep7 1:0125:0.208 500 33~57V, 200khz 7.5 1.75 0.215 0.035 Vo=5.00V/3W, 8V/20mA ctptf-3112ep7 1:0.273:0.682 310 33~57v, 200khz 5.0 1.60 2.65 0.087 Vo=5.00V/3W, 12V/20mA ctptf-5211ep7 1:0.286:0.204 521 33~57v, 200khz 7.5 1.75 0.22 0.100 Vo=12V/3W, 8V/20mA ctptf-3113ep7 1:0.682:0.682 310 33~57v, 200khz 5.0 1.60 2.60 0.55 Vo=12V/3W,12V/20mA (1) (2) (3) Input Output Voltage (5) Vo=3.3V/3W, 8V/20mA physical dimensions ep7 8pin smd (Unit: mm) Schematic 9.14 4 0.7x0.25 1 2.5±0.1 8*1.27 13.72 8 5 3 PRI SEC 6,5 2.50 4 8,7 AUX 9.27Max. 2 10.67Max. 13.5Max. 1 Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2014 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 04.02.14 SMD PoE Power Transformers www.ctparts.com SPECIFICATIONS ep10 8pin smd Dcr Max. (W) (4) Inductance ±10% (µH) Turns Ratio Pri:Sec:AUX (2) (1) Part Number Leakage Inductance Max. (µH) (3) Input Pri Output Voltage (5) Schematic Aux Sec ctptf-2502ep10 1:0.100:0.150 25.2 36~72v, 300khz 2.0 0.25 0.02 0.0035 B ctptf-2512ep10 1:0.083:0.208 253 33~57v, 200khz 7.5 0.42 0.115 0.0075 A Vo=3.3V/10W, 5V/100mA Vo=3.3V/7W, 8V/20mA ctptf-1511ep10 1:0.182:0.682 155 33~57V, 200khz 5.0 0.53 0.90 0.031 A Vo=3.3V/7W, 12V/20mA ctptf-2001ep10 1:0.222:0.555 20.4 90~50v, 200kHz 1.5 0.08 0.15 0.0075 A Vo=3.3V/10W, 8V/20mA ctptf-2002ep10 1:0.444:0.388 20.4 9~50V, 200khz 1.5 0.08 0.105 0.03 A Vo=3.3V/10W, 5V/20mA ctptf-2513ep10 1:0.125:0.208 253 33~57v, 200khz 7.5 0.42 0.115 0.016 A Vo=5V/7W, 8V/20mA ctptf-1512ep10 1:0.273:0.682 155 33~57V, 200kHz 5.0 0.57 1.00 0.040 A Vo=5V/7W, 12V/20mA ctptf-2611ep10 1:0.286:0.204 264 33~57v, 200khz 7.5 0.80 0.115 0.045 A Vo=12V/7W, 8V/20mA ctptf-1611ep10 1:0.682:0.682 155 33~57, 200khz 5.0 0.54 0.92 0.37 A Vo=12V/7W, 12V/20mA physical dimensions ep10 8pin smd (Unit: mm) Schematics A 2.5 10.5 8 3 PRI SEC 6,5 1.27 5 8,7 4 4 1 0.6±0.1 Suggested Pad Layout 2 AUX 11.5Max. 1 2.50±0.1 14.0Max. 14.8Max. B 4 PRI 7,8 1,2 6 5 SEC AUX 3 Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2014 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 04.02.14 www.ctparts.com SPECIFICATIONS ep13 10pin smd Dcr Max. (W) (4) Inductance ±10% (µH) Leakage Inductance Max. (µH) Part Number Turns Ratio Pri:Sec:AUX Pri Aux Sec ctptf-1213ep13 1:0.083:0.208 127 33~5v, 200khz 7.5 0.44 0.088 0.006 A Vo=3.3V/13.5W, 8V/20mA ctptf-1611ep13 1:0.167:0.639 155.5 33~57V, 200khz 5.0 0.33 0.65 0.011 B Vo=3.3V/11W, 12V/20mA ctptf-7801ep13 1:0.182:0.682 77.4 33~57V, 200khz 5.0 0.10 0.27 0.0085 A Vo=3.3V/13.5W, 12V/20mA ctptf-1212ep13 1:0.125:0.208 127 33~57V, 200khz 7.5 0.46 0.094 0.012 A Vo=5V/13.5W, 8V/20mA ctptf-7701ep13 1:0.273:0.682 77.4 33~57V, 200khz 0.8 0.22 0.25 0.018 A Vo=5V/13.5W, 12V/20mA ctptf-1211ep13 1:0.292:0.208 127 33~57V, 200khz 7.5 0.46 0.094 0.055 A Vo=12V/13.5W, 8V/20mA ctptf-7802ep13 1:0.682:0.682 77.4 33~57V, 200khz 5.0 0.10 0.27 0.075 A Vo=12V/13.5W, 12V/20mA ctptf-2801ep13 1:0.470:0.294 28.9 33~57V, 200khz 1.0 0.058 0.055 0.027 A Vo=15V/27W, 8V/20mA (1) (2) (3) Input Output Voltage (5) Schematic physical dimensions ep13 10pin smd (Unit: mm) Schematics A 18.12 3 1.25±0.05 6 14.0Max. 10 1 13.36 Suggested Pad Layout 17.5Max. 2.5±0.1 PRI SEC 7,8 9,10 4 2 AUX 1 13.0Max. 0.7±0.1 5 B 1 PRI 7,8 9,10 4 5 SEC AUX 2 Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2014 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 04.02.14