40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER PN/:40ST1053B DATA SHEET APPLY TO ADHOC AH108RU, 8 PORT REPEATER SINGLE CHIP 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 B.ELECTRICAL SPECIFICATIONS@25°C 1.ISOLATION HI-POT: 1500 VRMS (PRI. /SEC.) 2.TURN RATIO (±5%): TX=1.25CT: 1CT, RX=1:1 3.RISE TIME: 2.5 ns TYP 4.CMRR TX & RX (0.1-60 MHz): -30dB(Min) 5.RETURN LOSS: 5-30 MHz 30-60 MHz 60- 80 MHz -16dB -12dB -10 dB (Min) 6.CROSSTALKS (0.1 TO 100MHz): 1MHz 30 MHz 60MHz 100MHz -65dB -50dB -40dB -30dB (Min) 7. OCL (uH,Min):350 uH, at 100 KHz,0.1V 8mA DC FORM 0-70°C 8..DIFFERENTIAL TO COMMON MODE REJECTION(dB Min):1-60 MHz= -40 ; 60-200MHz= -30 9..INSERTION LOSS0.1-100 MHz: -1.15(dB Max) C.SCHEMATIC & DIMENSIONS & MARKING (UNIT mm): Date: April 15-2000 Pre by:WuQingli Rev.: X.0