10/100 BASE-T ETHERNET ISOLATION TRANSFORMER P/N:16ST6121 DATA SHEET A. GENERAL SPECIFICATIONS: 1. 16 PIN, SMD PACKAGE TO MEET 10/100 MB/S T SPECIFICATION. 2. LOW LEAKAGE INDUCTANCE AND WINDING CAPACITANCES FOR FAST RISE TIME. 3. HIGH ISOLATION VOLTAGES TO COMPLY WITH INTERNATIONAL SAFETY REQUIRMENTS FOR LAN. 4. OPERATING TEMPANGE: 0°C TO 70°C. 5. STORAGE TEMP RANG: -25°C TO + 125°C. B. ELECTRICAL SPRCIFICATIONS: (25°C) 1. TURN RATIOS: 1:1CT (RX 1-2:16-15) & 2CT:1 (TX 6-8: 10-9) 2. PRIMARY OCL INDUCTANCE (Lp) AT 0.1 Vrms, 100 KHz, 8mA DC:350 uH Min 3. CW/W: 10pF Max 4. LEAKAGE INDUCTANCE (L.L): 0.2uH Max 5. DCR (OHM MAX): 1.7 (14-16) 6. HI-POT ISOLATION: 1500Vrms Min 7. GROUP DELAY CHANGE: 2.5nS Max 8. INSERTION LOSS (1-100MHz): Transmit: -1.0dB Max, Receive: -1.0dB Max 9. RETURN LOSS (1-80MHz): TX=-15dB Min, RX=-11dB Min 10. CROSSTALK (dB Min): -35dB AT 1-100 MHz C. MECHNICAL DRAWING & SCHEMATIC: Date: April 15-2000 Pre by:WuQingli Rev.: X.0