ISDN S-INTERFACE MODULES P/N: S5049 DATA SHEET A. General Specifications 1. Developed for enhanced EMC performance . 2. Excellent longitudinal balance 3. Transfer molded package 4. Low or high frequency choke options available 5. Operating temperature: 0C to +70C B. Electrical Specifications@25° C 1. Turn Ratio (PRI: SEC± 2%): 1CT: 1CT 2. OCL Primary: 30 mH Min 3. L.L Sec: 10 µH Max 4. CW/W: 150 pF Max 5. DCR PRI: 3.4 O±25% 6. DCR SEC: 3.4 O±25% 7. CD Pri:100 pF Max 8. Choke OCL: 4.7 mH TYP 9. Choke DCR: 1.4 O Max 10. ? /DC: 3mA Max 11. Secondary Pins: 20-18, 13-11 12. Isolation voltage: 1500Vrms. C. Schematic & Mechanical Prepared :Ming Li Luo Approved: Xu Wenbing Drawing no.: ISDN Transformer REV.: A1 Date : 2001/07/16 Page : 1/1