Bothhand USA. e-mail: [email protected] http://www.bothhandusa.com 40 PIN SMD QUAD 10 BASE-T/100 BASE-TX TRANSFORMER P/N: 40ST1025-1 DATA SHEET Page : 1/1 Feature z z z z z Designed to meet IEEE 802.3u requirement. Primary inductance 350uH Min with 8mA DC Bias Designed to meet IR 235℃ peak requirement Operating temperature range : 0℃ to +70℃. Storage temperature range: -25℃ to +125℃. Electrical Specifications @ 25°C Part Turns Ratio OCL(μH Min) HI-POT Number TX RX with 8mA DC Bias (Vrms ) 40ST1025-1 1.25CT:1CT 1:1 350 1500 Continue Part Number 40ST1025-1 Schematic Insertion Loss Return Loss (dB Min) (dB Max) Cross Talk (dB Min) 0.3- 100MHz 0.3-30 MHz 30-60 MHz 60-80 MHz 0.3 - 100MHz -1.0 -16 -12 -10 -38 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A1(02/06)