Bothhandusa.com 10/100 BASE-TX TRANSFORMER MODULES P/N: TN1142B DATE SHEET Feature 24 Pin SMD surface mount package. Designed for 10/100 MB/s transmission over UTP-5 cable. Operating temperature range: 0℃ to +70℃. Storage temperature range: -25℃ to +125℃. Electrical Specifications @ 25°C Part OCL(uH Min) Turns Ratio @ 100KHz/0.1V Number TN1142B TX RX with 8mA DC Bias 1CT: 1CT 1CT: 1CT 350 CW/W L.L DCR HI-POT (pF Max) (uH Max) (Ω Max) (Vrms) 28 0.5 1.1 1500 Continue Part Insertion Loss Return Loss Cross talk DCMR (dB Max) (dB Min) (dB Min) (dB Min) Number 0.3-100 MHz TN1142B Schematic -1.1 0.3-30MHz 40MHz 50MHz 60-80MHz 0.3-60MHz 60-100MHz -18 -15.5 -13 -12 -45 -35 30MHz 60MHz 100MHz -40 -35 -30 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434