Bothhandusa.com 10/100 BASE-TX TRANSFORMER MOSULES FOR AUTO MDI/MDIX APPLICATIONS P/N: 40ST1140AX LF DATA SHEET Feature Symmetrical TX and RX channels for auto MDI/MDIX capability. Compliant with IEEE 802.3u and ANSI X 3.263 standards including 350 uH OCL with 8 mA bias. Lead free for external pins. Operating temperature range:0℃ to +70℃. Storage temperature range:-25℃ to +125℃. Electrical Specifications @ 25°C Part Turns Ratio OCL(uH Min) Insertion Loss Return Loss (±5%) @ 100KHz/0.1V (dB Max ) (dB Min) RX 8mA DC Bias 0.1-100MHz 2-3MHz 40MHz 50MHz 60-80MHz 1CT:1CT 350 -1.0 -18 -14.4 -13.1 -12 Number TX 40ST1140AX LF 1CT:1CT Continue Part Cross talk DCMR (dB Min) (dB Min) Number 40ST1140AX LF HI-POT (Vrms) 0.3-60MHz 60-100MHz 60MHz 100MHz 200MHz -40 -35 -40 -33 -25 Schematic Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 1500