TRAY|Ethernet ICs 82551ER FastEthernet Controller PBGA196, Obsolete

LU82551ER 860613 – Intel 82551ER Fast Ethernet Controller IC – Obsolete Part

This LU82551ER 860613 from Intel is a Fast Ethernet Controller IC designed for high-performance network connectivity in embedded systems. Though marked obsolete, PCX may carry remaining stock for legacy hardware repairs or lifecycle extensions. Benefit from Intel’s proven reliability and PCX’s expedited shipping for critical replacement components.

Key Features

• Manufacturer: Intel
• Function: Fast Ethernet Controller (10/100 Mbps)
• Package: PBGA196 (Plastic Ball Grid Array)
• Interface: Integrated Ethernet MAC + PHY
• Legacy Support: Ideal for maintaining aging systems

Technical Details

This Intel 82551ER IC integrates both Media Access Control (MAC) and Physical Layer (PHY) functions into a single PBGA196 package, reducing board space requirements. Designed for PCI-based systems, it supports full-duplex IEEE 802.3u Fast Ethernet standards. Note: This component is discontinued by Intel and intended for legacy system maintenance.

Common Applications

• Legacy industrial control systems
• Older networking equipment repairs
• Retrofitting embedded computing platforms
• Medical device lifecycle extension
• Military/aerospace system sustainment

About Intel

Intel Corporation is a globally recognized leader in semiconductor innovation, with decades of expertise in processor and connectivity solutions. Their components set industry standards for performance and reliability across computing and communication markets.

Intel’s rigorous quality control and architectural leadership make their legacy components trusted solutions for critical infrastructure. Even discontinued parts like the 82551ER maintain Intel’s reputation for robust engineering and long-term stability in demanding environments.

About Ethernet Controller ICs

Ethernet Controller ICs manage wired network communications between devices and networks. They handle data packet processing, signal conversion, and protocol management, serving as essential interfaces in networked systems.

These integrated circuits are fundamental building blocks for any Ethernet-enabled hardware. Even with newer standards available, legacy controllers remain vital for maintaining older infrastructure where upgrades are impractical or cost-prohibitive, ensuring operational continuity.

Packaging

Available in TRAY packaging for automated assembly processes. Contact PCX for specific handling requirements.

FAQs

Question: Is this part still manufactured by Intel?
Answer: No, Intel has discontinued the 82551ER. PCX sources remaining stocks for legacy support.

Question: What systems typically used this controller?
Answer: It was commonly deployed in early 2000s embedded systems, industrial PCs, and networking cards requiring 10/100 Mbps Ethernet.

Question: Can PCX provide technical documentation?
Answer: Yes, request the datasheet via PCXCo.com support. Intel’s original documentation remains available for design reference.

Question: Are pin-compatible upgrades available?
Answer: Modern Gigabit controllers require redesign. This part is recommended only for identical replacements in existing hardware.

Question: How does PCX verify quality of obsolete components?
Answer: PCX performs rigorous authenticity checks and functional testing on legacy inventory to ensure performance standards.

Question: Can I get small quantities for prototype repairs?
Answer: Yes, PCX accommodates low-volume orders for maintenance and repair scenarios.

Disclaimer: Product images are representational. Specifications subject to manufacturer documentation.

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