KSZ9031 Gigabit Ethernet Transceivers

Microchip Technology KSZ9031 Gigabit Ethernet Transceivers are completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physical layer transceivers for transmission and reception of data on standard CAT-5 unshielded twisted pair (UTP) cable. KSZ9031MNX offers the industry-standard GMII/MII (Gigabit Media Independent Interface/Media Independent Interface) for connection to GMII/MII MACs in Gigabit Ethernet Processors and Switches for data transfer at 1000Mbps or 10/100Mbps.

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Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
18,767In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 3.135 V 3.465 V 0 C + 70 C KSZ9031 Reel, Cut Tape
Microchip Technology Ethernet ICs Gigabit Ether Trans RGMII Support
Datasheet
16,758In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s RGMII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Tray
Microchip Technology Ethernet ICs 1-Port Gigabit Ethernet PHY
Datasheet
3,656In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Tray
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
9,653In Stock
6,760Expected 18-09-2026
Min.: 1
Mult.: 1

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s RGMII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Tray
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
5,218In Stock
7,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s RGMII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs 1-Port GigabitEthrnt Ethernet PHY
Datasheet
26,894In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s MDI, MDI-X, RGMII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V - 40 C + 85 C KSZ9031 Tray
Microchip Technology Ethernet ICs
Datasheet
8,126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s MDI, MDI-X, RGMII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V - 40 C + 85 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs
Datasheet
1,954In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs Gigabit Ether Trans GMII/MII Support
Datasheet
713In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V 0 C + 70 C KSZ9031 Tray
Microchip Technology Ethernet ICs 1-Port GigabitEthrnt Ethernet PHY
Datasheet
454In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V - 40 C + 85 C KSZ9031 Tube
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
1,550In Stock
2,000Expected 26-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s MDI, MDI-X, RGMII 1.14 V 1.38 V 0 C + 70 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
3,443In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s MDI, MDI-X, RGMII 1.14 V 1.38 V - 40 C + 85 C KSZ9031 Tray
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
870In Stock
5,000Expected 26-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-48 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s MDI, MDI-X, RGMII 1.14 V 1.38 V - 40 C + 85 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs
Datasheet
2,609In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 1.8 V 1.26 V, 1.89 V, 2.625 V, 3.465 V - 40 C + 85 C KSZ9031 Reel, Cut Tape, MouseReel
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
533Expected 21-09-2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 Ethernet Transceivers 10/1GBASE-T, 100BASE-TX 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MDI, MDI-X, MII 3.135 V 3.465 V 0 C + 70 C KSZ9031 Tray
Microchip Technology Ethernet ICs GbE Physical Layer Transceiver
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

SMD/SMT QFN-64 Ethernet Transceivers 10/100/1GBASE-T 1 Transceiver 10 Mb/s, 100 Mb/s, 1 Gb/s GMII, MII 1.8 V 3.3 V 0 C + 70 C KSZ9031 Reel