10/100 BASE-T TRANSFORMER P/N:16PT8515 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:@ 25°C. 1.TURN RATIO : 1CT:1CT 2.INSERTION LOSS 0.1 TO 125 MHz (dB MAX.)-1.1 3.RISE TIME:(nS TYP)(10-90%):2.5 nS. 4.RETURN LOSS: 0.1MHz-10MHz -20 dB Max ;10MHz-30MHz -19 dB Max 30MHz-60MHz -14 dB Max ;60MHz-100 MHz -12 dB Max 5.DIFFERENTIAL TO COMMON MODE REJECTION(dB MIN.): FREQUENCY TX RX 0.1-60 MHz -42 -40 60-100 MHz -40 -35 6.CROSS TALK(dB MAX.): 0.1-60 MHz -40 60-100 MHz -38 7.VOLTAGE ISOLATION(Vrms MIN.):1500 C. SCHEMATIC & DIMENSIONS & MARKING(UNIT mm):