4S1125

T1/E1/CEPT/ISDN-PRI TRANSFORMER P/N: 4S1125 DATA SHEET A. General Specifications 1. Eight transformers in a surface mount package supports four transmit and four receive channels 2. Cross talk : -65dB or better 3. Models matched to leading quad and dual T1/E1/CEPT/ISDN-PRI transceivers . 4. Operating temperature range: 0℃ to +70℃ B. Electrical Specifications @ 25℃ 1. Isolation HI-POT: 1500 Vrms 2. Turns Ratio(± 2%) : TX=1:2CT , RX=1CT:1.6 3. TX/RX OCL. :1.2 mH Min /1.2 mH Min 4. TX/RX. Cw/w: 35 pF Max/35 pF Max 5. TX/RX L/L: 0.6 µH Max/0.6 µH Max 6. TX. Primary Pins: 4-5,9-10,14-15,19-20 7. RX. Primary Pins : 1-3,6-8,11-13,16-18 C. Schematic & Mechanical: × × × × × ﹐ Prepared :Qingli Wu Drawing no.: ISDN Transformer Approved: Xu Wenbing REV.: A0 Date : 2001/02/23 Page : 1/1