general power transformer type: EI-25S please refer to the sales offices on our website for a representative near you www.sumida.com 1 / 1 product description ? 28.0 21.0mm max.(l w), 21.0mm max. height. ? custom design is available. feature ? max. operating frequency 300khz. max. operating power 36.0w(300khz) ? ideally used in switching regulator, el inverter and power factor correction choke. ? rohs compliance dimensions (mm) schematics (bottom) 1. for general transformer 2. for pfc choke ? s? is winding start ? s? is winding start specification (for general transformer) specification (for pfc choke) rated current: the dc current at which the inductance decreases to 90 % of it?s initial value or when t=40 , whichever is lower(ta=20 ). sample no. inductance (1-2) 1khz/1v d.c.r. (1-2) ( ? max.) hi-pot winding-winding ( 50/60hz ) 3370-t029 15.7mh 20% 3.5 ac 1500vrms/1min. sample no. inductance (6-8) 1khz/1v d.c.r. (6-8) (m max.) rated current (6-8) 3370-t027 470 h 15% 370 1.5 a 20.0 max. 22.0 max. 27.0 max. 0.80.1 2.7 0.5 1.0 5.0 5.0 5.0 12.5 0.3 s s s s s s
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