EI-28_06 SUMIDA | Alldatasheet
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General Power Transformer < Pin Type: EI Series> Type: EI-28 Please refer to the sales offices on our website for a representative near you w w w . s u m i d a . c o m 1/1 φ0.8-±0.1 29.5 MAX. 4-5.0 ±0.2 Adhesi ve S S S S ◆ Product Description ・Custom design is available. ◆ Feature ・Max. Operating frequency 300kHz. Max Operating power 51.0W(300kHz). ・Ideally used in Switching regulator, EL inverter and Power Factor Correction choke. ・RoHS Compliance ◆ Dimensions (mm) ◆ Schematics (Bottom) 1 . F o r G e n e r a l T r a n s f o r m e r 2 . F o r P F C c h o k e “ S ” i s w i n d i n g s t a r t “ S ” i s w i n d i n g s t a r t ◆ 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 (6-9) 1kHz/1V D.C.R.(2-5) (mΩ Max.) Hi-pot Winding-winding (50/60Hz) 3390-T144 2.2mH ± 25% 365 AC 1500Vrms/1min. Sample No. Inductance (2,3,4-7,8,9) 1kHz/1V (mΩ Max.) Rated Current (2,3,4-7,8,9) 3390-T152 160μH ± 30% 68 5.0 A S S S