Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER Page : 1/1 P/N: 40ST1042 DATA SHEET Feature z z z z z z IEEE 802.3 Ethernet compatible, 100 BASE-TX. Surface mountable. Design for multiport repeater and Ethernet switching Hub application. Customer designs available for specific application. Operating temperature range : 0℃ to +70℃. Storage temperature range: -25℃ to +125℃. Electrical Specifications @ 25°C Part Number 40ST1042 Turns Ratio OCL (uH Min) L.L (±5%) @ 100KHz/0.1Vrms with (uH Max) TX RX 8mA/DC Bias TX RX 2CT:1CT 1:1 350 1.3 0.5 Insulation Resistance (MΩ) CW/W (pF Max) Voltage Isolation (Vrms) 10,000 30 1500 Continue Part Number 40ST1042 Insertion Loss (dB Max) Return Loss (dB Min) 0.3–100MHz 0.3-30MHz -1.15 Schematic -18 Cross talk (dB Min) DCMR (dB Min) 1-60MHz 60-200MHz 40MHz 50MHz 60-80MHz 0.3-100 MHz -15.5 -13.6 -12 -38 -37 -25 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A6(02/06)