Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER P/N: 40ST1021D DATA SHEET Page1/1 Feature 40-PIN SMD Package designed to meet IEEE 802.3 & IR requirement . z Operating Temperature range: 0°C to +70°C. z Storage temperature range: -25°C to +125°C. z Electrical Specifications @ 25°C Part Number 40ST1021D Turns Ratio OCL (uH Min) (±3%) @ 100KHz/0.1Vrms TX RX with 8mA/DC Bias 1CT:1CT 1CT:1CT 350 L.L Rise Time HI-POT (pF Max) (uH Max) (n s Typ) (Vrms) 20 0.4 2.5 1500 CW/W Continue Part Number 40ST1021D Insertion Loss Return Loss (dB Max) (dB Min) 0.3-100 MHz 1-30MHz -1.15 -18 Schematic Cross talk DCMR (dB Min) TX/RX (dB Min) 40-50MHz 60-80MHz 0.3-60MHz 60-100MHz -14 -12 -40 -35 30MHz 60MHz 200MHz -40/-37 -33/-28 -25/-25 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A0(02/11)