MPN

Microchip LAN9303-ABZJ, Switch IC, 3.3 V 100 Mbps, 56-Pin 3.3V QFN

RS Stock No.:: 889-5231
Mfr. Part No.:: LAN9303-ABZJ
Brand:: Microchip

Microchip LAN9303-ABZJ, Switch IC, 3.3 V 100 Mbps, 56-Pin 3.3V QFN

Subtotal (1 tray of 260 units)*

£1,144.78

(exc. VAT)

£1,373.84

(inc. VAT)

FREE delivery for orders over £60.00

Temporarily out of stock

Shipping from 24 July 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Tray*
260 +	£4.403	£1,144.78

*price indicative

RS Stock No.:: 889-5231
Mfr. Part No.:: LAN9303-ABZJ
Brand:: Microchip

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Microchip
	Product Type	Switch IC
	Maximum Data Rate	100Mbps
	Communication Mode	Full Duplex/Half Duplex
	Loopback Mode	Internal
	Standard Supported	IEEE 802.3
	Mount Type	Surface
	Package Type	QFN
	Pin Count	56
	Maximum Supply Voltage	3.3V
	Minimum Operating Temperature	70°C
	Maximum Operating Temperature	0°C
	Length	8mm
	Standards/Approvals	No
	Height	1mm
	Minimum Supply Voltage	3.3V
	Automotive Standard	No

	Select all
	Brand Microchip
	Product Type Switch IC
	Maximum Data Rate 100Mbps
	Communication Mode Full Duplex/Half Duplex
	Loopback Mode Internal
	Standard Supported IEEE 802.3
	Mount Type Surface
	Package Type QFN
	Pin Count 56
	Maximum Supply Voltage 3.3V
	Minimum Operating Temperature 70°C
	Maximum Operating Temperature 0°C
	Length 8mm
	Standards/Approvals No
	Height 1mm
	Minimum Supply Voltage 3.3V
	Automotive Standard No

LAN9303 10/100 Ethernet Switches

The LAN9303 from Microchip is a 3-port 10/100 managed Ethernet Switch in a small footprint QFN package, featuring a MII/RMII/Turbo MII interface that allows network speeds of up to 200Mbps.

Features

Full-featured 3-port Switches with per-port IEEE 802.1Q VLAN support (up to 16 VLAN groups)

±8kV/15kV per-port ESD protection

IGMP v1/v2 monitoring for multicast packet filtering

Up to 200 Mbps network speed via a Turbo MII interface

Optional EEPROM or external CPU serial management support via an I2C™ interface

Virtual PHY feature simplifies software development by mimicking multiple switch ports as a single-port PHY

Integrated regulators require a single 3.3V supply

42 per-port MIB counters for efficient network management

Ethernet Communications - Microchip

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