RoHS EFD20 High Frequency Transformer AEFD20-3782 o ep ions @25 C Electrica lcSificat EFD20 Core Design 12 Pin SMD Flyback Topology Operating Temperature range: -20ºC to +105ºC Maximum reflow temperature: 250ºC/-5ºC for 20-40 seconds (Refer to IPC/JEDEC J-STD-02C Standard) Specifications @25 ℃ Leakage Inductance F= 1KHz, 0.1Vrms (Short sec) DCR (Max) Turns Ratio F = 1KHz, 0.1Vrms 40uH ±5% - 14uH Max - 55mΩ 78mΩ 230mΩ 32Ts 3Ts 5Ts Inductance S-F 1-3 4-5 5-6 Specifications @25℃ Location / Desc. PRI-PRI PRI-SEC SEC-CORE PRI-CORE COIL-CORE Hi-Pot (50Hz/60Hz) - 1000Vac, 5mA, 2 sec 500Vac, 5mA, 2 sec 5000Vac, 5mA, 2sec - Insulation Resistance - 500Vac, 100mΩ min 500Vac, 100mΩ min 500Vac, 100mΩ min - All specifications subject to change without notice. MECHANICAL Marking : FRONT VIEW ALLIED AEFD20-3782 TOP VIEW YYWW WEEKS YEAR BOTTOM VIEW SCHEMATICS NOTE: 1. GAP CORE TO PIN6~12 SIDE, CORE TAPE 3Ts. !! !! !! !! !! !! !! !! ! !! ! !! !! ! ! 714-665-1140 ALLIED COMPONENTS INTERNATIONAL 12/21/12 15 www.alliedcomponents.com