40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER
PN/:40ST1042 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
B.ELECTRICAL SPECIFICATIONS @ 25°C
1.ISOLATION HI-POT: 1500 Vrms (PRI. /SEC.)
2.INSULATION RESISTANCE: 10,000 MOHM
3.TURN RATIO (± 5%): TX=2CT: 1CT, RX=1:1
4.PRI./SEC. Cw/w):28pF Max
5.TX/X L/L (uH Max): 1.3 /0.5
6.Pri.DCR
Max): TX=0.9,RX=0.9
7.CROSSTALKS (dB Min): -38 AT 1MHz-100 MHz
8.CMRR (dB Min): -40 AT 1MHz-100 MHz
9.OCL (uH,Min): 150 at 8mA DC FORM 0-70°C
10.INSERTION LOSS: -1.1dB Max @ 1-100MHz
11.RETURN LOSS: 0.5-30MHz 40MHz 50MHz 60-80MHz
-18dB
-15.5dB -13.6dB -12dB (Min)
C.SCHEMATIC & DIMENSIONS & MARKING (UNIT mm):
Date: April 15-2000 Pre by:WuQingli Rev.: X.0
BOTHHAND [ BOTHHAND USA, LP. ]
