General Power Transformer <Pin Type: EI Series> Type: EI-191 ◆ Product Description ・21.0×16.0mm Max.(L×W), 18.0mm Max. Height. ・In addition to the typical versions of parameters shown here, custom designs are available to meet your exact requirements ◆ Feature ・Max. Operating frequency 300kHz. Max Operating power 20.0W(300kHz) ・Ideally used as general power transformers in Switching regulator, EL inverter. ・RoHS Compliance 15.0 ±0.5 4. 0 4. 0 +1.0 -0.5 MAX.18.0 3.5 6.0 5.0 5 MAX. 21. 0 4. 0 ±0. 2 4. 0 ±0. 2 7 4. 0 1 φ0. 7-+0. 0. 05 ◆ Dimensions (mm) ±0.2 1 4 ◆ Schematics (Bottom) ④ ⑤ S ③ ⑥ S ② S ① ⑦ “ S” is winding start ◆Specification Sample No. Inductance (1-2) 1kHz/1V D.C.R. (1,2-3,4) Leakage Inductance (1,2-3,4) 1kHz/1V 3377-T061 73µH ± 30% 120mΩ Max. 11µH Max. Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1