10/100 BASE PULSE TRANSFORMER P/N: 16ST8515 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. TURN RATIO: 1CT: 1CT 2. INSERTION LOSS 0.1 TO 125 MHz (dB MAX.)-1.1 3. RISE TIME: (10-90%): 2.5 nS TYP 4. RETURN LOSS (dB MIN): FREQUENCY TX&RX FREQENCY TX&RX 0.1MHz-10MHz -20 10MHz-30MHz -19 30MHz-60MHz -14 60MHz-100MHz -12 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 60-100MHz -38 7. VOLTAGE ISOLATION (Vrms MIN.): 1500 8. PRI DCR (Ω)MAX:TX&RX=0.9 9. PRIOCL (uH min): TX&RX=350 WITH 8mA DC BIAS 10. PRI L.L (uH Max) TX&RX: 0.6 11. PRI Cw/w (pF Max) TX&RX: 28 C. SCHEMATIC & DIMENSIONS & MARKING (UNIT mm)