T1/CEPT/ISDN-PRI TRANSFORMER P/N:S1190 DATA SHEET A. General Specifications: 1. Small surface mount package . 2. Contains both transmit and receive transformers . B. Electrical Specifications@25°C 1. Turns Ratio(PRI:SEC.±5%) : 1CT:1CT & 1CT:1.36CT 3. OCL : 1.20 mH MIN 4. Cw/w: 30 pF MAX 5. L.L: 0.60 µH MAX 6. DCR(PRI.) : 0.70 Ω MAX & 0.70 Ω MAX 7. DCR(SEC.) : 0.70 Ω MAX & 1. 0 Ω MAX 8. Primary Pins : 16-14, 6-8 9. Isolation HI-POT:1500Vrms. C. Schematics & Mechanical : Prepared :Qingli wu Approved: Xu wenbing Date : 2001/01/30 Drawing no.: ISDN Transformer REV.: A1 Page : 1/1