Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE-TX QUAD PORT TRANSFORMER Page : 1/1 P/N: 40ST1041K DATA SHEET Feature Patented interlock base design. Compliant with IEEE 802.3u and ANSI X3.263 standards including. z Models designed to support four single or double stacked RJ-45 connectors. z IC grade transfer-molded package withstands 235 C peak temperature profile. z Operating temperature range : 0℃ to +70℃. z Storage temperature range: -25℃to +125℃. Electrical Specifications @ 25°C z z Part Number 40ST1041K Turns Ratio OCL(μH Min) (±5%) @100KHz/0.1Vrms TX RX 8mA DC/Bias 1CT:1CT 1:1 350 Pri/Sec CW/W TX/RX L.L (pF Max) (uH Max) 28 0.5 CMR (dB Min) 0.3-60MHz HI-POT (Vrms) -30 1500 Continue Part Number 40ST1041K 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 0.3-100 MHz -1.15 -16 -12 -10 -38 Schematic 1-60 MHz -37 60-200 MHz -25 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A1(02/06)