40 PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER P/N:40ST1022 DATA SHEET A.GENERAL SPECIFICATIONS: 1.40-PIN SMD PACDAGE & DESIGNED TO MEET 802.3 & IR REQUIREMENT. 2.OPERATING TEMP RANGE: 0°C TO+70°C 3.STORAGE TEMP RANGE: -25°C TO+125°C. B.ELECTRICAL SPECIFICAIONS AT 25°C: 1.PRI./SEC.ISOLATION:1500 Vrms. 2.INSULATION RESISTANCE: 10,000 MOHM. 3.TURN RATIO: TX: 2CT: 1CT; RX: 1CT:1 CT(+/-5%) 4.PRI.OCL (uH MIN.): TX & RX: 350AT 100 KHz/0.1Vrms, 8mA DC. 5.PRI./SEC.Cw/w(pF TYP.):28 6.TX/RX L/L (uH MAX.): 1.2/0.4 7.PRI.DCR (OHM MAX.): TX: 0.9;RX: 0.9 8.CROSS TALK: (dB MIN.): -38AT0.1 MHz-100MHz. 9.CMRR (dB MIN): -40 AT0.1MHz TO 100 MHz. 10.RETURN LOSS (dB MIN): 0.5-30MHz 40MHz 50MHz 60-80MHz -18 -15.5 -13.6 -12 11.INSERTION LOSS (dB MAX.): -1.1AT 1-100MHz C. SCHEMATIC & DIMENSIONS & MARKING (UNIT mm): Date: April 15-2000 Pre by:WuQingli Rev.: X.0