40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER PN/:40ST1076 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.TURN RATIO (± 5%): TX=2CT: 1CT, RX=1:1 3.INSETION LOSS (dB Max): TRANSMIT 1-60 MHz -1.0dB Max RECEIVE 1-60 MHz -1.0 dB Max 4.RETURN LOSS: 5-30 MHz 30-60 MHz 60-80 MHz -16dB -12dB -10 dB (Min) 5. CROSSTALKS: 30 MHz 60 MHz 100 MHz -35dB -40dB -30dB (Min) 6.OCL (uH,Min):350uH, at 8mA/dc FORM 0-70°C 7.DIFFERENTIAL TO COMMON MODE REJECTION: 30 MHz 60 MHz 100 MHz 200 MHz -42dB -32dB -33dB -25dB (Min) C.SCHEMATIC & DIMENSIONS & MARKING (UNIT mm):