efd20 high frequency poe transformer 15 allied components interna tional 714-665-1 140 www.a lli edcom pon en ts .com rohs revised 4/07/09 designed for power over ethernet applications efd20 core design forward and flyback topology up to 95 watt power rating 12 pin smd operating temperature -40oc to +85oc custom designs available all specifications subject to change without notice. allied AEFD014SI mechanical schematics a o electrical specifications @25 c 1 part number ocl(uh min) @100khz,0.1v, 1.2a bias hi-pot (vrms) turns ratio ( 3%) ll package/ schematic 20.5uh min. 1:0.375:0.438 1500 a/1 np:ns:nf @100khz 0.1v 1uh max dcr 1,2-3,4 0.15 max 10,11,12-7,8,9 0.055 max 5-6 0.42 max ns nf np 7 12 5 6 9 10 11 8 3 1 2 4 pin 1 30.0 max 22.5 max 12.43max 3.0 0.5 yyww 0.13 12 surfaces AEFD014SI
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