Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER P/N: 40ST1021 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 40ST1021 Turns Ratio OCL (uH Min) (±5%) @ 100KHz/0.1Vrms TX RX with 8mA/DC Bias 1CT:1 1CT:1CT 350 Insulation CW/W L.L (pF Max) (uH Max) 28 0.5 HI-POT Resistance (Vrms) (MΩ) 10,000 1500 Continue Part Number 40ST1021 Insertion Loss Return Loss (dB Max) (dB Min) Cross talk DCMR (dB Min) TX/RX(dB Min) 0.3-100 MHz 0.3-30MHz 30-60MHz 60-80MHz 0.3-100MHz 1-60MHz 60-200MHz -1.15 -16 -12 -10 -38 -37 -25 Schematic Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A6(02/06)