T1/E1/CEPT /ISDN-PRI TRANSFORMER
P/N: 4S1181 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. Turns Ratio(± 2%) : PRI:SEC =1:2.1CT
2. TX/RX OCL.: 1.2 mH Min /0.6 mH Min
3. TX/RX. Cw/w: 35 pF Max/35 pF Max
4. TX/RX L/L: 0.6 µH Max/0.6 µH Max
5. TX. Primary PINS: 1-2, 6-7, 11-12, 16-17
6. RX. Primary PINS : 21-22, 26-27, 31-32, 36-37
7. Isolation HI-POT:1500 Vrms
C. Schematic & Mechanical:
﹐
Prepared :Luo Ming Li
Drawing no.: ISDN Transformer
Approved: Xu Wenbing
REV.: A0
Date : 2001/07/11
Page : 1/1
BOTHHAND [ BOTHHAND USA, LP. ]
