40 PIN SMD ETHERNET 10/100 BASE TX QUAD PORT TRANSFORMER PN/:40ST1063 DATA SHEET A. GENERAL SPECIFICATIONS 1. 40-PIN SMD PACKAGE COMPATIBLE WITH BROADCOM, NS, TMI, DAVICOM CHIPS 2. DESIGNED FOR MULTIPORT REPEATER AND SWITCHED ETHERNET APPLICATIONS UTILIZING SINGLE RJ-45 CONNECTORS. 3. OPERATING TEMP RANGE: 0°C TO +70°C 4. STORAGE TEMP RANGE: -25°C TO +125°C B. ELECTRICAL SPECIFICATIONS @ 25°C 1. ISOLATION HI-POT: 1500 Vrms (PRI. /SEC.) 2. TURN RATIO (± 5%): TX=1CT: 1CT, RX=1:1 3. INSULATION RESISTANCE: 10,000 MOHM. 4. PRI./SEC.Cw/w(TX&RX):28 pF MAX. 5. TX/RX L/L (uH MAX.): 0.5/0.5 6. CMRR (1MHz-100 MHz): -40dB Min 7. CROSS TALK (1MHz TO 100MHz): -38dBMIN 8.OCL (uH,Min):350 uH, at 8mA DC FORM 0-70 C 9.PRI.DCR (TX&RX): 0.9 OHM MAX 10.INSERTION LOSS (dB Max): -1.15dB AT 1MHz-100MHz 11.RETURN LOSS (dB Min): 1MHz-30MHz -18dB 30MHz-60MHz -14dB 60MHz-80MHz -12dB C.SCHEMATIC & DIMENSIONS & MARKING (UNIT mm):