40ST1042

Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com 40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER Page : 1/1 P/N: 40ST1042 DATA SHEET Feature 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 (±5%) TX 2CT:1CT RX 1:1 OCL (uH Min) @ 100KHz/0.1Vrms with 8mA/DC Bias 350 TX 1.3 L.L (uH Max) RX 0.5 CW/W (pF Max) 30 Insulation Resistance (MΩ) 10,000 Voltage Isolation (Vrms) 1500 DCMR (dB Min) Continue Part Number 40ST1042 Insertion Loss (dB Max) 0.3–100MHz 0.3-30MHz -1.15 -18 Return Loss (dB Min) 40MHz -15.5 50MHz -13.6 60-80MHz -12 Cross talk (dB Min) 0.3-100 MHz -38 -37 1-60MHz 60-200MHz -25 Schematic Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A0(02/06)