Microchip, Switch IC, 3.3 V 100 Mbps, 56-Pin 3.3 V QFN
- RS Stock No.:
- 889-5231
- Mfr. Part No.:
- LAN9303-ABZJ
- Brand:
- Microchip
Subtotal (1 tray of 260 units)*
£1,053.00
(exc. VAT)
£1,263.60
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 13 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Tray* |
|---|---|---|
| 260 + | £4.05 | £1,053.00 |
*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 | |
| Maximum Data Rate | 100Mbps | |
| Product Type | Switch IC | |
| Communication Mode | Full Duplex/Half Duplex | |
| Loopback Mode | Internal | |
| Standard Supported | IEEE 802.3 | |
| Number of Ports | 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 | |
| Height | 1mm | |
| Minimum Supply Voltage | 3.3V | |
| Width | 8 mm | |
| Standards/Approvals | No | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Maximum Data Rate 100Mbps | ||
Product Type Switch IC | ||
Communication Mode Full Duplex/Half Duplex | ||
Loopback Mode Internal | ||
Standard Supported IEEE 802.3 | ||
Number of Ports 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 | ||
Height 1mm | ||
Minimum Supply Voltage 3.3V | ||
Width 8 mm | ||
Standards/Approvals No | ||
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
Related links
- Microchip LAN9303-ABZJ 10Mbps MII 3.3 V, 56-Pin QFN
- Microchip LAN9303I-ABZJ 200Mbps MII Turbo MII 56-Pin QFN
- Microchip LAN9220-ABZJ 10Mbps MII 3.3 V, 56-Pin QFN
- Microchip LAN9730I-ABZJ 10Mbps MII 3.3 V, 56-Pin QFN
- Microchip LAN9220-ABZJ 10Mbps LAN Host Bus 1.62 to 3.6 V 3.3 V, 56-Pin QFN
- Microchip ENC28J60-I/ML 10Mbps MII Serial-SPI 28-Pin QFN EP
- Microchip LAN9500AI-ABZJ 12Mbps MII 56-Pin QFN
- Microchip LAN9500A-ABZJ 100Mbps MII 3.3 V, 56-Pin QFN
