10/100 BASE-T TRANSFORMER P/N:16ST8511 DATA SHEET A.GENERAL SPECIFICATIONS: 1.DESIGNED FOR 10/100 MB/s TRANSMISSION OVER UTP-5 CABLE. 2.TESTED & QUALIFIED FOR USE WITH NATIONAL SEMICONDUCTOR'S DP83840 ETHERNET 10/100 PHY CHIP. 3.CABLE INTERFACE FOR ISOLATION AND LOW COMMON MODE EMISSIONS. 4.16-PIN DIP PACKAGE FOR ECONOMIC COST. 5.OPERATING TEMP RANGE:0°C TO +70°C. 6.STORAGE TEMP RANGE: -25°C TO +125°C. B.ELECTRICAL SPECIFICATIONS: 1.INSERTION LOSS 0.1 TO 100 MHz (dB MAX.)-1.1 2.RISE TIME:(ns TYP)(10-90%): 2.5 ns. 3.RETURN LOSS (dB MIN): FREQUENCY TX RX 0.1-60 MHz -17 -15 60-100 MHz -15 -11 4.DIFFERENTIAL TO COMMON MODE REJECTION (dB MIN.): FREQUENCY TX RX 0.1-60 MHz -45 -40 60-100 MHz -40 -35 5.CROSS TALK(dB MIN.): FREQUENCY 0.1-60 MHz -40 60-100 MHz -38 6.VOLTAGE ISOLATION(Vrms MIN.):1500 C SCHEMATIC & DIMENSIONS & MARKING (UNIT mm): Date: April 15-2000 Pre by:WuQingli Rev.: X.0