T1/E1/CEPT/ISDN-PRI TRANSFORMER
P/N: 4S1124 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:2
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 :Luo Ming Li
Drawing no.: ISDN Transformer
Approved: Xu Wenbing
REV.: A0
Date : 2001/05/29
Page : 1/1
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