T3/DS3/E3/STS-1 TRANSFORMERS P/N:S3020 DATA SHEET A. General Specifications 1. Models matched to leading transceiver ICs 2. Return loss meets requirements of G.703 3. Operating temperature of -40°C to +85°C 4. 1500Vrms Isolation 5. Dual SMT package contains both transmit and receive transformers B. Electrical Specifications@25°C 1. Turns Ratio(±2%) : TX=1:2CT & RX=1:1 2. PRI OCL @ 25°C: TX=40 µH Min & RX=100 µH Min 3. PRI OCL @ -40°C: TX=19 µH Min & RX= 40 µH Min 4. L.L : TX=0.10 µH Max & RX=0.11 µH Max 5. Cw/w : 10 pF Max 6. Isolation: 1500Vrms 7. Bandwidth 75 Ω system: 0.20 MHz~340 MHz(Typ) 8. Primary Pins : 16-14,6-8 C. Schematics & Mechanical: Prepared :Luo Ming Li Approved: Xu Wenbing Date : 2001/03/27 Drawing no.: ISDN Transformer REV.: A0 Page : 1/1