Power over Ethernet Transformer<SMD Type: CEEH series> Type: CEEH157B ◆ Product Description ・22.3×18.0mm Max.(L×W), 8.4Max. 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 7.6W(300kHz). ・Ideally used in PoE transformer. ・RoHS Compliance ◆ Dimensions (mm) 18.0 Max. 10-2.5±0.2 8.4 Max. 7 7 12 6 6 1 17.0 Ref. 22.3 Max. 12 1 0.7 Ref. ◆ Schematics (Bottom) 3 12，11 2 8 1 7 22.9 10，9 2.5 7 10 6 1 17.5 5 ◆ Land Pattern (mm) “S”indicates winding start. 0.9 ◆ Specification Sample No. PS05-028 Turns Ratio (Pri:Sec:Aux) Primary Inductance 100kHz/1V Pri-Sec. Insulation Leakage L (μH Max.) 1:0.2:0.3:0.44 165μＨ±15％ DC500V (0.5mA,1s.) 2.6 D.C.R. (mΩ Max.) Pri. Aux. Sec.1 Sec.2 550 1400 55 840 Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1