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4S1181

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4S1181 数据手册

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

Approved: Xu Wenbing

REV.: A0

Date : 2001/07/11

Page : 1/1

Drawing no.: ISDN Transformer

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