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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 CTPTF Series From 3W to 27W SPECIFICATIONS Not Shown at Actual Size 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. Part Number (1)Turns Ratio Pri:Sec:AUX (2)Inductance ±10% (µH) Input (3)Leakage Inductance Max. (µH) (4)DCR Max. (W) (5)Output Voltage Pri Aux Sec eP7 8PIN SMD PHySICAl dImENSIONS eP7 8PIN SMD (Unit: mm) 2.5±0.1 0.7x0.25 10.67Max. 13.5Max. 9.27Max. 8*1.27 2.50 9.14 13.72 6,5 8,7 PRI SEC AUX Schematic NOTeS FROM TAbLeS 1. Turn ratio is with the secondary windings connected in parallel. L(nom) = Nominal Inductance is for PRI winding, measured at 200KHz, 2. 0.1Vrms, 0Adc. Leakage inductance measured between PRI with other pins shorted.3. DCR for the secondary windings connected in parallel.4. Output is with the secondary windings connected in parallel.5.

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 SMD PoE Power Transformers Part Number (1)Turns Ratio Pri:Sec:AUX (2)Inductance ±10% (µH) Input (3)Leakage Inductance Max. (µH) (4)DCR Max. (W) Schematic (5)Output Voltage Pri Aux Sec eP10 8PIN SMD Schematics 0.6±0.1 5 8 4 1 2.5 10.5 1.27 Suggested Pad Layout 2.50±0.1 14.0Max. 14.8Max. 11.5Max. 6,5 8,7 A PRI SEC AUX 7,8 1,2 B PRI SEC AUX PHySICAl dImENSIONS eP10 8PIN SMD (Unit: mm)

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 eP13 10PIN SMD (Unit: mm) SPECIFICATIONS Part Number (1)Turns Ratio Pri:Sec:AUX (2)Inductance ±10% (µH) Input (3)Leakage Inductance Max. (µH) (4)DCR Max. (W) Schematic (5)Output Voltage Pri Aux Sec eP13 10PIN SMD PHySICAl dImENSIONS 0.7±0.1 14.0Max. 5 6 1 10 17.5Max. 13.36 2.5±0.1 13.0Max. 1.25±0.05 18.12 Suggested Pad Layout Schematics 7,8 9,10 A PRI SEC AUX 7,8 9,10 B PRI SEC AUX