40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER PN/:40ST1041L DATA SHEET A.GENERAL SPECIFICATIONS 1.IEEE 802.3 ETHERNET COMPATIABLE, 100 BASE-TX 2.SURFACE MOUNTABLE 3.DESIGN FOR MULTIPORT REPEATER AND ETHERNET SWITCHING HUB APPLICATION 4.CUSTOMER DESIGNS AVAILABLE FOR SPECIFIC APPLICATION 5.OPERATING TEMP RANGE: 0°C TO 100°C. B.ELECTRICAL SPECIFICATIONS @25°C 1.ISOLATION HI-POT: 1500 Vrms (PRI. /SEC.) 2.TURN RATIO (±5%): TX=1CT: 1.25CT, RX=1:1 3.RISE TIME: 2.5 ns TYP 4.CW/W: 28 pF MAX 5.LEAKAGE INDUCTANCE (1MHz): 0.5uH Max 6.CMRR (0.1-100 MHz): -37dB Min 7.RETURN LOSS: 5-30 MHz 30-60 MHz 60-80 MHz -16dB -12dB -10 dB (Min) 8.CROSSTALKS (0.1 TO 100MHz): -38dB Min 9.OCL (uH,Min):350 uH, at 8mA/dc FORM 0-70°C 10.DCR: 0.9Ω Max 10.INSERTION LOSS (1MHz-100MHz): -1.15dB Max C.SCHEMATIC & DIMENSIONS & MARKING (UNIT mm): Date: April 15-2000 Pre by:WuQingli Rev.: X.0