efd20 high frequency transformer AEFD20-3746 15 allied components interna tional 714-665-1 140 www.a lli edcom pon en ts .com rohs 05/21/12 efd20 core design 12 pin smd operating temperature range: -40oc to +130oc all specifications subject to change without notice. o electrical specificat i ons @25 c schematics mechanical maximum reflow temperature: 250oc/-5oc for 20-40 seconds (refer to ipc/jedec j-std-02c standard) flyback topology specifications @25 inductance lp @200khz, 0.1v (1,2 - 3,4) leakage inductance ls @ 20 0kh z, 0.1v ( ti e 7+ 8+9 +10+ 11 +12) (1,2 - 3,4) dcr (1,2 - 3,4) dcr (5 - 6) dcr (12,11,10 ? 9,8,7 ) is ol atio n vo lta ge 3m a, 1se c, 60hz 1,2,5 to 12,11, 10 20 .5u h ( 5% ) 1.0uh max 39m ? max 230m ? max 8.5m ? max 1 80 0v ac a 29.21 max b 21.84 max c 12.00 max d 24.60 ref e 2.00 ref f 3.00 0.10 g 0.70 0.10 unit : mm ma rk in g : remark: yyww =da te c od e, yy= yea r; ww= week yyww AEFD20-3746 allied
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