General Power &Power over Ethernet Transformer<Pin Type: EI series> Type: EI-20H ◆ Product Description ・22.0×21.0mm Max.(L×W), 13.0mmMax. Height. ・In addition to the typical versions of parameters shown here, custom parameters are available to meet your exact requirements. ◆ Feature ・Max. Operating frequency 300kHz,Max. Operating Power 11.0W(300kHz). ・Ideally used in PoE transformer, can be used as general power transformer. ・RoHS Compliance ◆ Dimensions (mm) PIN NO.1 M A X . 2 1 .0 2.5 2.5 2.5 2.5 2.5 2.5 15.0 ± 0 .3 φ 0 .6 ± 0. 1 ± 0.2 STAMP ・DATE CODE 17.5 ±0.3 ±1 . 0 MAX.13.0 5.5 ⑭ ① MAX. 22.0 ADHESIVER ◆ Schematics (Bottom) For PoE Transformer S S ⑦ ⑥ ⑤ ④ ③ ② ① For General Transformer ⑦ ⑥ S ⑤ ④ ③ ② S ① ⑧ S ⑨ ⑩ ⑪ S ⑫ S ⑬ ⑭ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ S “S”indicates winding start. Please refer to the sales offices on our website for a representative near you www.sumida.com 1/2 General Power &Power over Ethernet Transformer<Pin Type: EI series> Type: EI-20H ◆ Specification (For PoE transformer) Sample No. 3309-T078 Turns Ratio (Pri:Sec:Aux) Primary Inductance 1kHz/1V Pri-Sec. Insulation Leakage L (μH Max.) 6:7:9:22 6.1μＨ±25% AC1500Vrms (0.5mA/60Hz,2s) 1.0 D.C.R. (mΩ Max.) Pri. Aux. Sec.1 Sec.2 42 52 65 200 ◆Specification (For general power transformer) Sample No. Inductance (1-3) 1kHz/1V D.C.R (1-3) D.C.R (13-9) Hi-pot Winding-Core (50/60Hz) Hi-pot Winding-winding (50/60Hz) 3309-T075 155µH±20% 293mΩ Max. 5.0Ω Max. AC 600Vrms/2s AC 600Vrms/2s Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2