T1/CEPT/ISDN-PRI TRANSFORMER P/N: S5400 DATA SHEET A. Electrical Specifications@25°C 1. Turns Ratio(± 2%) : 1:2 PIN 1-2:5-6 & 3-4:5-6 2. Inductance : 1.5 mH Min @ 100KHz/0.02Vrms. 3. Cw/w: 25 pF Max PIN 5-6 to 1-2=5-6 to 3-4 4. Leakage Inductance : 1.2 uH Max PIN 5-6 with(3-4)short & 5-6 with(1-2)short @ 100KHz/0.02Vrms 5. DCR : 0.45 ? Max PIN 1-2 , 3-4 6. DCR : 0.85 ? Max PIN 5-6 7. Return Loss :10 dB Min @ 100KHz to 2MHz 8. Isolation HI-POT : 1500 Vrms 60 SEC PIN 1-2 to 3-4,1-2 to 5-6,3-4 to 5-6 B. Schematic & Mechanical : Prepared : Luo Ming Li Approved: Xuwenbing Drawing no.: ISDN Transformer REV.: A0 Date : 2001/06/26 Page : 1/1