Network Controllers
Network controller ICs implement Ethernet MAC, PHY, and switch functions for embedded networking in industrial, automotive, and IoT applications. Available from Microchip (LAN, KSZ), TI (DP83), NXP, and Broadcom.
Browse Network Controllers Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| PM5420C-FGI | Microchip Technology | Description: 2X10G + 16XSFP MULTI-RATE, MULTI | 39,931 | |
| PM5420C-FEI | Microchip Technology | Description: 2X10G + 16XSFP MULTI-RATE, MULTI | 2,529 | |
| PAS6401B-F3GI | Microchip Technology | Description: IC SYSTEM ON CHIP ETHERNET | 5,463 | |
| PAS5211A-F3EI | Microchip Technology | Description: FOUR-PORT GPON OLT SOC | 1,897 | |
| LAN9668/9MX | Microchip Technology | Description: 8 PORTTSN SWITCH WITH CORTEX A7 | 7,140 | |
| LAN9668-I/9MX | Microchip Technology | Description: 8 PORTTSN SWITCH WITH CORTEX A7 | 7,854 | |
| LAN9253T/R4X | Microchip Technology | Description: 2/3-PORT ETHERCAT SLAVE CTLR | 2,183 | |
| LAN9253T-V/R4X | Microchip Technology | Description: 2/3-PORT ETHERCAT SLAVE CTLR | 1,400 | |
| LAN9253T-I/R4X | Microchip Technology | Description: 2/3-PORT ETHERCAT SLAVE CTLR | 1,840 | |
| TLK110PT | Texas Instruments | — | 25,818 |
Top Network Controllers Manufacturers
MaxLinear
MaxLinear Network Controllers products are available for part-number review, stock checks, and RFQ support.
40 productsCirrus Logic Inc.
Cirrus Logic Inc. Network Controllers products are available for part-number review, stock checks, and RFQ support.
126 productsAdvantech
Advantech Network Controllers products are available for part-number review, stock checks, and RFQ support.
1 productsAmpleon USA Inc.
Ampleon USA Inc. Network Controllers products are available for part-number review, stock checks, and RFQ support.
2 productsBroadcom
Broadcom Network Controllers products are available for part-number review, stock checks, and RFQ support.
105 products
Microchip Technology
Microchip Technology Network Controllers products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments Network Controllers products are available for part-number review, stock checks, and RFQ support.
84,045 productsAbout Network Controllers
Network Controller ICs are highly integrated semiconductor devices designed to manage the data link layer (MAC) and physical layer (PHY) communication protocols for wired local area networks (LANs). By managing complex packet encapsulation, hardware address decoding, collision detection, and buffer arbitration, network controllers offload heavy processing loads from the main host processor, allowing smooth, high-speed data transmission over Ethernet cabling.
These controllers are essential in networked industrial systems, smart automation hubs, IP video cameras, and telecom appliances. Crucial engineering specifications include network speed (typically 10/100 Mbps Fast Ethernet, 1/2.5/5/10 Gbps Ethernet), host interface compatibility (PCIe, SPI, or parallel), integrated FIFO memory depth, physical-layer medium support (copper or fiber), and low operating power. Many industrial models support real-time Ethernet protocols like EtherCAT, PROFINET, or Modbus-TCP.
On Octatronics, source high-performance network controllers from leading chipmakers such as Microchip Technology (KSZ and LAN series), Texas Instruments, NXP, Realtek, and Broadcom. Verify technical specs, download software drivers, and submit online RFQs for your production schedules.
Frequently Asked Questions
Octatronics can help source a wide range of Network Controllers from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
Articles & Technology
View All →Top Semiconductor Companies in 2026: Manufacturers, Foundries, Fabless Firms and IDMs
NVIDIA led semiconductor vendor revenue in 2025, while TSMC dominated pure-play foundry sales. This guide explains why those rankings measure different things—and gives engineers and buyers a practical framework for selecting manufacturers by component category, lifecycle, qualification, and supply risk.
Low-Pass vs High-Pass Filter: Differences, Circuits, Cutoff Frequency, and Applications
Learn how low-pass and high-pass filters differ, how their RC circuits work, how to calculate cutoff frequency, and how to select the right filter for signal conditioning, audio, ADC, power, and RF applications.
Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes
Circuit board component identification means recognizing PCB parts by their reference designators, physical appearance, body markings, polarity marks, package type, and electrical function. The fastest way to identify a component is to start with the PCB silkscreen, match the reference letter to a component type, inspect its shape and package, read any value or top marking, then confirm the result with a datasheet, schematic, BOM, or measurement tool. This guide explains how to identify common PCB components such as resistors, capacitors, inductors, diodes, transistors, MOSFETs, ICs, connectors, fuses, relays, crystals, and test points. It also includes practical examples, common marking codes, polarity clues, mistakes to avoid, and a replacement sourcing checklist.
IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings
IC top marking codes are abbreviated package markings used to identify semiconductor devices, especially small SMD chips that cannot fit a full part number. Buyers should use the marking as a starting point, then verify manufacturer logo, package, pin count, date code, lot code, datasheet, packing label, and supplier documentation. Official manufacturer marking tools and datasheets should be used before relying on third-party SMD code databases.
How to Find Pin-Compatible Alternatives for Obsolete ICs
Finding a pin-compatible alternative for an obsolete IC is not just about matching the package. It requires a structured review of pinout, footprint, electrical parameters, functional behavior, lifecycle status, sourcing reliability, and sample validation.
Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing
When an original electronic component becomes obsolete, unavailable, or too expensive, a pin-to-pin replacement part can help avoid PCB redesign and keep production or repair projects moving. However, pin-to-pin compatibility does not automatically mean the part is a safe drop-in replacement. This guide explains how to check package, footprint, pinout, electrical ratings, thermal performance, timing behavior, firmware requirements, compliance status, and lifecycle risk before sourcing replacement parts. It also provides a practical checklist to help engineers, buyers, and maintenance teams reduce sourcing mistakes and verify compatibility before purchase.
How to Choose Electronic Components for Reliable Hardware Design
Learn how to choose electronic components for reliable hardware design, including specifications, lifecycle status, sourcing risks, quality checks, and BOM optimization.