T1/CEPT/ISDN-PRI TRANSFORMER P/N: S8887 DATA SHEET A. General specifications: 1. Dual SMT package contains both transmit and receive transformer 2. Models matched to leading transceiver ICs 3. Isolation voltage: 1500Vrms B. Electrical Specifications @25°C. 1. Turns Ratio (Pri:Sec± 2%): 1CT:1.41CT & 1CT:1.41CT 2. OCL : 1.2mH Min & 1.2mH Min 3. L.L : 0.80 µH Max & 0.80 µH Max 4. Cw/w : 50 pF Max & 50 pF Max 5. DCR(Pri) : 1.20 Ω Max & 1.20 Ω Max 6. DCR(Sec) : 1.40 ΩMax & 1.40Ω Max 7. Primary Pins : 12-10 , 9-7 C. Schematic & Mechanical : Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/02/03 Drawing no.: ISDN Transformer REV.: A2 Page : 1/1