3309-T078

General Power &Power over Ethernet Transformer 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) ± 0.2 STAMP ・DATE CODE 2.5 2.5 2.5 2.5 2.5 2.5 φ 0 .6 ± 0. 1 PIN NO.1 ±1 . 0 17.5 ±0.3 ADHESIVER MAX. 22.0 M A X . 2 1 .0 15.0 ± 0 .3 ⑭ ① MAX.13.0 5.5 ◆ Schematics (Bottom) For PoE Transformer ⑦ ⑥ ⑤ ④ ③ ② ① ⑧S ⑨ ⑩ ⑪S ⑫S ⑬ ⑭ For General Transformer ⑦ ⑥ S⑤ ④ ③ ② S① ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ S S 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 Type: EI-20H ◆ Specification (For PoE transformer) Turns Ratio (Pri:Sec:Aux) 6:7:9:22 Primary Inductance 1kHz/1V 6.1μＨ±25% Pri-Sec. Insulation AC1500Vrms (0.5mA/60Hz,2s) Leakage L (μH Max.) 1.0 D.C.R. (mΩ Max.) Pri. 42 Aux. 52 Sec.1 65 Sec.2 200 Sample No. 3309-T078 ◆Specification (For general power transformer) Sample No. 3309-T075 Inductance (1-3) 1kHz/1V 155µH±20% D.C.R (1-3) 293mΩ Max. D.C.R (13-9) 5.0Ω Max. Hi-pot Winding-Core (50/60Hz) AC 600Vrms/2s Hi-pot Winding-winding (50/60Hz) AC 600Vrms/2s Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2