T1/CEPT/ISDN-PRI TRANSFORMER P/N:S8787 DATA SHEET A. General Specifications: 1. SMD 16 Pin Dual T1/E1 isolation module . 2. Extended operating temperature : -400C to +850C B. Electrical Specifications@25°C : 1. Turns ratio(Pri : Sec .±3%) : 1:2.42CT Pin 1-3:16-14 & 1:2.42CT Pin 6-8:11-9 2. Primary OCL : 1.5 mH ±20% @ 100 KHz/0.2Vrms 3. Cw/w: 35 pF Max pin 1 to 15 & 35 pF Max Pin 6 to 10 4. Leakage Inductance: 0.5 µH Max Pin 1-3(16,15,14 short) 0.5 µH Max Pin 6-8(11,10,9 short) 5. DCR(Pri.) : 0.8 Ω Max Pin 1-3 & 0.80 Ω Max Pin 6-8 6. HI-POT : 1500 Vrms. 7. Cross talk(0.5 to 5 MHz) : -65 dB Typ C. Schematics & Mechanical: Prepared :Qingli wu Approved: Xu wenbing Date : 2001/02/03 Drawing no.: ISDN Transformer REV.: A4 Page : 1/1