Bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER P/N: 40ST1041EX 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 Number Turns Ratio OCL(μH Min) (±5%) @100KHz/0.1Vrms TX 8mA DC/Bias RX 40ST1041EX LF 1CT:1CT 1CT:1CT L.L Cw/w HI-POT Rise Time (μH Max) (pF Max) (Vrms) (nS Typ) 0.5 56 1500 2.5 350 Continue Part Number 40ST1041EX 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 -1.15 Schematic -16 -12 -10 0.3-60MHz 60-100MHz -40 -35 60MHz 100MHz 200MHz -37 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 -28 -25