Bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE-TX QUAD PORT TRANSFORMER P/N: 40ST1041 LF DATA SHEET Feature 40-PIN SMD Package compatible with broadcom, NS TMI Davicom chips. Designed for multi-port repeater and switched Ethernet applications utilizing single RJ-45 connectors. 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(uH Min) (±5%) @100KHz/0.1Vrms TX 40ST1041 LF 1CT: 1CT RX with 8mA DC/Bias 1:1 350 L.L Cw/w HI-POT Insulation (μH Max) (pF Max) (Vrms) resistance (MΩ) 0.42 30 1500 10,000 Continue Part Number 40ST1041 LF Insertion Loss Return Loss Cross talk DCMR (dB Max) (dB Min) (dB Min) (dB Min) 0.3-100MHz -1.15 Schematic 0.3-30MHz 30-60MHz -16 -12 60-80MHz -10 0.3-60MHz 60-100MHz -40 -35 60 MHz 100 MHz 200 MHz -37 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 -28 -25