Bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER P/N: 40ST1053 LF 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. ! Lead free for external pins. ! Operating temperature range : 0℃ to +70℃. ! Storage temperature range: -25℃ to +125℃. Electrical Specifications @ 25°C Part Turns Ratio OCL(uH Min) (±5%) @100KHz/0.1V Number TX 40ST1053 LF 1CT:1CT RX with 8mA DC Bias 1:1 350 Rise Time HI-POT (nS Typ) (Vrms) 2.5 1500 Continue Part Number 40ST1053 LF 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 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 -28 -25