General Power Transformer<Pin Type: EI Series> Type: EI2520 ◆ Product Description ・26.5mm×20.0mm Max.(LxW), 21.5mm Max. (Height) ・Custom design is available. ◆ Feature ・Max. Operating frequency 300kHz,Max. Operating Power 38.0W(300kHz). ・Ideally used in Switching regulator, EL inverter and Power Factor Correction choke. ・RoHS Compliance 21.5 MAX. 3.5±0.5 7- 0.8±0.1 ◆ Schematics (Bottom) 1.For General Transformer use ④ ⑤ ③ ⑥ S ② ⑦ S ① ⑧ S 12.5±0.5 4 5 1 8 5-5.0±0.2 20.0 MAX. 26.5 MAX. ◆ Dimensions (mm) 2.For PFC choke “S” indicates winding start. 4 5 S 3 6 S 2 7 1 8 “S” indicates winding start. ◆ Specification (For General Transformer) Sample No. Inductance (6-7) 1kHz/1V D.C.R. (6-7) (mΩ Max.) Hi-pot Winding-winding (50/60Hz) PS05-083 460µH ± 30% 450 AC 500Vrms/1min. ◆ Specification (For PFC choke) Sample No. Inductance (2-7) 1kHz/1V Inductance(3-6) 1kHz/1V D.C.R.(2,3-6,7) (mΩ Max.) Rated Current (2,3-6,7) PS05-322B 450μH±15％ 450μH±15％ 150 1.3 A ※ 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℃). Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1