Prepared :Luo Ming Li

Approved: Xu Wenbing

Date : 2001/03/16

Drawing no.: ISDN Transformer

REV.: A1

Page : 1/1

ISDN S-INTERFACE TRANSFORMER

P/N: S5016H DATA SHEET

A. Electrical Specifications @25°C :

1. Turns Ratio(±1%)(15KHz/0.1Vrms) : PIN9-10:2-17=2:1

PIN8-11:4-15=2:1

PIN1-2:18-17=5-4:14-15=1:1

2. DCR : PIN 2-17=4-15=4 Ω Max

PIN 9-10=8-11=5.5 Ω Max

PIN 1-2=17-18=4-5=14-15=1.3 Ω Max

3. Inductance @10KHz, 0.1Vrms : PIN 2-17=4-15=22 mH Min

PIN1-2=17-18=4-5=14-15=5 mH +50/-30%

4. Leakage Inductance @100KHz, 0.1Vrms( PIN9-10, 8-11 Short) : PIN 2-17=4-15=4µH Max

5. Choke Leakage Inductance @100KHz, 0.1Vrms(PIN17-18, 14-15 Short) : PIN 1-2=4-5=0.6µH Max

6. Interwinding Capacitance @10KHz, 0.1Vrms PIN1-9=5-8=120pF Max

7. HI-POT : 1500Vrms/1mA 2Sec.PIN2-9, 4-8

500Vrms/1mA 2Sec.PIN3-16(1-9, 5-8 Short)

B. Schematic & Mechanical :