Bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE-TX QUAD PORT TRANSFORMERS P/N: 40ST1041KR DATA SHEET Feature ! ! Patented interlock base design. Compliant with IEEE 802.3u and ANSI X3.263 standards including. ! Models designed to support four single or double stacked RJ-45 connectors. ! IC grade transfer-molded package withstands 235℃ peak temperature profile. ! Operating temperature range : 0℃ to +70℃. Electrical Specifications @ 25°C Part Turns Ratio OCL(μH Min) Leakage Inductance Cw/w Isolation (±5%) @100KHz/0.1Vrms (μH Max) (pF Typ) HI-POT Number TX 40ST1041KR 1CT:1CT RX 8mA DC/Bias 1:1 350 @ 100KHz/0.1Vrms @100KHz/0.1Vrms 0.4 20 (Vrms) 1500 Rise Time (nS Typ) 2.5 Continue Part Number 40ST1041KR Insertion Loss Return Loss Cross talk DCMR (dB Max) (dB Min) (dB Min) (dB Min) 1-60MHz 60-200MHZ 0.1–100MHz 2-30MHz 40MHz 50MHz 60-80MHz 0.1-100MHz -1.1 -21 -17 -14.5 -12 -38 Schematic -37 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 -25