64KBPS INTERFACE TRANSFORMER P/N:S5540 DATA SHEET A. General Specifications: 1. Transformers are matched to the integrated circuit 2. Small encapsulated package 3. Provide 1500 Vrms minimum isolation B. Electrical Specifications@25°C : 1. Turn Ratio(Pri:Sec±3%) : 1CT:1 3. OCL:10 mH MIN @ 100KHz/0.2V 4. Cw/w: 100 pF MAX 5. Leakage Inductance: 5.0 µH MAX 6. DCR(Pri) : 2.60 ? MAX 7. DCR(Sec ): 2.60 ? MAX 8. HI-POT:1500 Vrms. C. Schematics & Mechanical : Prepared : Qingli Wu Approved: Xu wenbing Drawing no.: ISDN Transformer REV.: A4 Date : 2001/07/16 Page : 1/1