T1/CEPT/ISDN-PRI TRANSFORMER P/N: S4993B DATA SHEET A. Electrical Specifications : 1. Turns Ratio (30KHz 1Vrms ±2%) : PIN 4-6:PIN1-3=1:1 2. Inductance(PIN 1-3): 22 mH MIN @ 10KHz/50mV SEHES 3. Interwinding capacitance (100KHz/50mV PIN 1-3): 100 pF MAX 4. Leakage Inductance (100KHz/50mVrms PIN 1-3 Short): 5 µH MAX 5. DCR(PIN1-3) : 2.3Ω±15% 6. DCR(PIN4-6) : 2.3Ω±15% 7. HI-POT : 2000Vrms. B. Schematics & Mechanical : Prepared : Qingli Wu Approved: Xuwenbing Date : 2001/01/31 Drawing no.: ISDN Transformer REV.: A1 Page : 1/1