Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 10/100 BASE-TX TRANSFORMER MOSULES FOR AUTO MDI/MDIX APPLICATIONS P/N: 40ST1140 DATA SHEET Feature Page :1/1 z z z z z z Symmetrical TX and RX channels for auto MDI/MDIX capability. Approved for use with the Broadcom BCM5226 and Level One LXT9784. Compliant with IEEE 802.3u and ANSI X 3.263 standards including 350 uH OCL with 8 mA bias. Designed for reflow soldering at temperatures up to 235℃. Operating Temperature range: 0℃ to +85℃. Storage temperature range: -25℃to +125℃. Electrical Specifications @ 25°C Part Number 40ST1140 Turns Ratio (±5%) TX RX OCL(μH Min) @100KHz/0.1Vrms 8mA DC/Bias 1:1 1:1 350 Insertion Loss (dB Max ) Return Loss (dB Min) 0.1–100MHz 2-3MHz 40MHz 50MHz 60-80 MHz -1.0 -18 -14.4 -13.1 -12 Continue Cross talk (dB Min) Part Number 40ST1140 DCMR (dB Min) 0.3-60MHz 60-100MHz 60MHz 100 MHz 200 MHz -45 -35 -40 -33 -25 Schematic HI-POT (Min Vrms) 1500 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A0(02/07)