T1/E1/CEPT/ISDN-PRI TRANSFORMER P/N:S1031 DATA SHEET A. General Specifications: 1. Dual surface mount package contains both transmit and receive transformer 2. Models matched to leading transceiver ICs B. Electrical Specifications@25°C : 1. Turns Ratio : (1-3) : (16-14)= 1CT:1CT (6-8):(11-9)=1CT:2CT 2. OCL Inductance (1-3) =(6-8) : 1.2 mH MIN 3. CW/W: 15 pF Max (2 to 15) 15 pF Max (7 to 10) 4. DCR PRI : 1.0Ω MAX & 1.0Ω MAX 5. DCR SEC : 1.0Ω MAX & 1.70Ω MAX 6. HI-POT Isolation:3KVrms. 7. Primary Pins : 1-3, 6-8 C. Schematic & Mechanical : Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/01/29 Drawing no.: ISDN Transformer REV.: A2 Page : 1/1