T1/E1/CEPT/ISDN-PRI TRANSFORMER P/N: S1191 DATA SHEET A. General Specifications: 1. Dual SMT package contains both transmit and receive transformers 2. Common footprint and pinout with a choice of operating temperature ranges 3. Models matched to leading transceiver ICs 4. IC grade transfer-molded package withstands 2350C IR reflow B. Electrical specifications @ 25℃ ℃ : 1. Turn Ratio(PRI:SEC±5%) : 1CT:1CT & 1CT:1.36CT 2. OCL: 1.5 mH Min & 1.5 mH Min 3. L.L : 0.8 µH Max & 0.8 µH Max 4. Cw/w : 40 pF Max & 40 pF Max 5. DCR Pri : 0.70 Ω Max & 0.70 Ω Max 6. DCR Sec : 0.70 Ω Max & 0.80 Ω Max 7. Primary Pins : 16-14, 6-8 8. HI-POT : 1500 Vrms. C. Schematics & Mechanical : Prepared :Qingli Wu Approved: Xu Wenbing Date :20001/02/22 Drawing no.: ISDN Transformer REV.: A0 Page : 1/1