Microchip Technology

PM40052B-F3EI  

Specialized Backplane Connectors

PM40052B-F3EI Description

The PM40052B-F3EI from Microchip Technology's Switchtec® series is a high-performance 52-lane Gen4 fanout PCIe switch, designed for demanding data center, storage, and networking applications. This surface-mount device supports PCIe Gen4 speeds (16 GT/s per lane), enabling ultra-low-latency, high-bandwidth interconnects. With an ECCN 5A992C classification and ROHS3 compliance, it meets stringent regulatory requirements. Packaged in a tray format, it has a Moisture Sensitivity Level (MSL) of 4 (72 hours), ensuring reliability in controlled environments. Though marked obsolete, it remains a robust solution for legacy systems requiring scalable PCIe fanout capabilities.

PM40052B-F3EI Features

• 52-Lane PCIe Gen4 Support: Delivers 16 GT/s per lane for high-throughput data transfer.
• Low-Latency Switching: Optimized for real-time applications with minimal signal degradation.
• Fanout Architecture: Enables efficient distribution of PCIe lanes across multiple endpoints.
• Surface-Mount Design: Facilitates compact PCB integration in space-constrained backplane systems.
• ROHS3 Compliant: Adheres to environmental standards for hazardous substance restrictions.
• High Reliability: MSL4 rating ensures performance stability in humid conditions.

PM40052B-F3EI Applications

• Data Center Interconnects: Ideal for disaggregated storage and compute architectures.
• NVMe Storage Systems: Enhances scalability for flash-based storage arrays.
• High-Performance Networking: Supports low-latency communication in switches/routers.
• Legacy System Upgrades: Provides a cost-effective PCIe Gen4 upgrade path for older infrastructure.

Conclusion of PM40052B-F3EI

The PM40052B-F3EI excels in environments requiring high-density PCIe Gen4 fanout, combining low latency, regulatory compliance, and robust packaging. While obsolete, its 52-lane scalability and 16 GT/s throughput make it a viable choice for legacy upgrades or niche applications where newer alternatives are impractical. Engineers valuing backward compatibility and proven performance will find this switch a reliable solution.

PM40052B-F3EI Documents

Download datasheets and manufacturer documentation for PM40052B-F3EI

Datasheets :

PM40028/36/52/68/84, PM40100      

PCN Obsolescence/ EOL :

PM4xxxxB 07/Jun/2021      

HTML Datasheet :

PM40028/36/52/68/84, PM40100      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH