T1/CEPT/ISDN-PRI TRANSFORMER P/N: S5771 DATA SHEET A. General Specifications : 1. Extended and standard temperature range models 2. Dual surface mount package contains both transmit and receive 3. Models matched to leading transceiver ICs. 4. Operating temperature for -40°C to +85°C B. Electrical Specifications@25°C 1. Turns Ratio(Pri:Sec±5%) : 1CT:2CT=PIN 2-6:1-3 2. OCL : 1.2 mH Min 3. Cw/w: 45 pF Max(PRI-SEC) 4. L.L : 0.60 µH Max @100KHz/50mV (SEC short) 5. DCR(Pri) : 1.0 Ω Max PIN 2-6 6. DCR(Sec) : 2.0 Ω Max PIN 1-3 7. Primary Pins : 2-6 8. Isolation voltage: 1500 Vrms C. Schematics & Mechanical: Prepared : Qingli Wu Approved: Xuwenbing Date : 2001/02/03 Drawing no.: ISDN Transformer REV.: A1 Page : 1/1