Bothhandusa.com T1/CEPT (E1) / ISDN-PRI TRANSFORMER P/N: 8S1073M DATA SHEET Feature Eight transformers in a surface mount package supports four transmit and four receive channels. Cross talk : -65dB or better. Models matched to leading quad and dual T1/E1/CEPT ISDN-PRI transceivers . Operating temperature range :-40℃ to +85℃. Storage temperature range: -40℃ to +125℃. Electrical Specifications @ 25°C Part Turns Ratio (±2%) OCL L.L CW/W HI-POT Number TX/RX (mH Min) (uH Max) (pF Max) (Vrms ) 8S1073M 1:2 1.2 35 1500 0.6 Continue Part Number 8S1073M Primary PIN 3-4,5-6,7-8,9-10,11-12,13-14,15-16,17-18,19-20,21-22,23-24,25-26,27-28,29-30,31-32,33-34 Schematic 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 T1/CEPT (E1) / ISDN-PRI TRANSFORMER Bothhandusa.com P/N: 8S1073M DATA SHEET Mechanical PCB Layout mounting Hole ( Top View) 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 :