4390-T143

General Power & PoE Transformer Type: EEH157 ◆ Product Description ・15.8×15.6mm Max.(L×W), 8.5Max. 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 AC adapter for cellular phone, Portable equipment. ・Ideally used in PoE transformer. ・RoHS Compliance ◆ Dimensions (mm) 5-2.5±0.3 15.4±0.4 8.0±0.5 3.2±0.5 12.5±0.5 6 7 5-2.5±0.3 STAMP・DATE CODE 15.2±0.4 φ0.6 ADHESIVE 1 12 1 6 ◆ Schematics (Bottom) For General Power Transformer For Power over Ethernet Transformer ⑥ S⑤ ④ ③ ② S① ⑦ ⑧ ⑨ ⑩ ⑪ ⑫S ⑥ S⑤ ④ ③ ② ① ⑦ ⑧S ⑨S ⑩ ⑪ ⑫ “S”indicates winding start. “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 & PoE Transformer Type: EEH157 ◆ Specification (For General Power Transformer) Inductance (1-2) 10kHz/1V D.C.R. (5-8) Hi-pot (1,2,4,5,8-11,12) (50/60Hz) AC 500Vrms/1min. Sample No. 4390-T160 (mΩ Max.) 250 1,75mH ± 25% ◆ Specification (For Power over Ethernet Transformer) Sample No. Turns Ratio (Pri:Sec:Aux) 1:0.429:0.429 Primary Inductance 1kHz/1V 150μＨ±25% Pri-Sec. Insulation DC500V (2mA,1min) Leakage L (μH Max.) 5.0 D.C.R. (mΩ Max.) Pri. 170 Aux. 90 Sec. 90 4390-T143 Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2