Coilcraft Designer's Kit C172 - SMT Transformers for PoE & PD This series of transformers is designed specifically for IEEE 802.3af-compliant Power over Ethernet (PoE) applications. They feature interleaved primary and secondary windings to minimize leakage inductance, and a separate bias winding. Isolation is 1500 Vrms between the primary and secondary windings. Coilcraft's PoE transformers are available in 6 watt and 13 watt output versions for a 250 kHz switching frequency. Input is 36 to 72 volt and the output of the boas winding is 12 V, 0.2 A. Coilcraft Designer's Kit C172 contains samples each of the standard parts shown. Contains 6 Watt 75 uH, 8 uH Leakage, 1.3 A Ipk, 1.8 V 3.3 A Secondary Output 55 uH, 4.6 uH Leakage, 1.2 A Ipk, 2.5 V 2.4 A Secondary Output 65 uH, 3.9 uH Leakage, 1.2 A Ipk, 3.3 V 1.8 A Secondary Output 50 uH, 2.3 uH Leakage, 1.1 A Ipk, 5 V 1.2 A Secondary Output 55 uH, 0.7 uH Leakage, 1.1 A Ipk, 12 V 0.5 A Secondary Output 13 Watt 45 uH, 7.9 uH Leakage, 2.3 A Ipk, 1.8 V 7.2 A Secondary Output 35 uH, 4.2 uH Leakage, 2.2 A Ipk, 2.5 V 5.2 A Secondary Output 40 uH, 3.4 uH Leakage, 2.2 A Ipk, 3.3 V 3.9 A Secondary Output 40 uH, 1.9 uH Leakage, 2.1 A Ipk, 5 V 2.6 A Secondary Output 35 uH, 0.6 uH Leakage, 2.1 A Ipk, 12 V 1.1 A Secondary Output
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