BOTHHAND ENTERPRISE INC. Bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER P/N: 40ST1053M DATA SHEET Feature ! ! ! ! ! ! IEEE 802.3 Ethernet compatible, 100 BASE-TX Surface mountable. Design for multi-port repeater and Ethernet switching Hub application. Customer designs available for specific application. Operating temperature range : -40℃ to +85℃. Storage temperature range: -40℃to +125℃. Electrical Specifications @ 25°C Part Turns Ratio (±5%) Number TX 40ST1053M 1CT:1CT OCL(μH Min) HI-POT Rise Time @100KHz/0.1Vrms 8mA DC/Bias (Vrms) (ns TYP) 350 1500 2.5 RX 1:1 Continue Part Number 40ST1053M Insertion Loss Return Loss Cross talk DCMR (dB Max) (dB Min) (dB Min) (dB Min) 0.3–100MHz 0.3-30MHz 30-60MHz 60-80MHz 0.3-60MHz 60-100MHz -1.15 -16 -12 -10 -40 -35 Schematic 60MHz 100 MHz 200 MHz -37 -28 Mechanical A0(03/03) USA: TEL 978 887 8050 886-3-2122268 886-2-2122258 Web: http:// www.bothhand.com 462 Taiwan: Boston St - Topsfield, MAFax: 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 -25