KSZ9031RNXIC, manufactured by Microchip and distributed by Utmel Electronics. It's category belong to Ethernet ICs. It is applied to many fields, like Automotive Body electronics & lighting Communications equipment Broadband fixed line access Personal electronics Connected peripherals & printers .
And the main parameters of this part is: Ethernet TXRX Single Chip 1-Port 1.8V/2.5V/3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray. Additionally, it is green and compliant to RoHS (Lead free / RoHS Compliant).