The Rockwell Collins / Evans & Sutherland 255130-155 is a high-performance PC board engineered for advanced computing applications requiring distributed power management and expandable memory architecture. This board integrates multiple power conversion modules and memory infrastructure to support demanding system-level requirements in specialized avionics, simulation, and defense platforms.
Technical Specifications
• Manufacturer: Rockwell Collins / Evans & Sutherland
• Model: 255130-155
• NSN: 5998-01-576-2325
• Memory Capacity: Eight (8) module slots
• Power Conversion Modules:
– Two (2) Excalibur / Texas Instruments PT4482N DC/DC Converter Modules
– One (1) SynQor PQ60025QPA60NNS Switching Frequency DC/DC Converter
– Key Features
• Dual-channel DC/DC conversion architecture via Excalibur PT4482N modules provides redundancy and load distribution across power rails
• SynQor switching frequency converter delivers high-efficiency power conditioning for sensitive analog and digital circuits
• Eight memory module slots accommodate standard form-factor memory DIMMs for configurable system capacity
• Front ejector handles enable tool-free board extraction and installation in chassis-mounted applications
– Typical Applications
This PC board serves mission-critical systems in avionics platforms, flight simulators, training systems, and defense applications where thermal stability, power efficiency, and long-term reliability are non-negotiable. The architecture supports both analog signal processing and high-speed digital computation with independently regulated supply rails.
– Compatibility & Integration
The 255130-155 integrates into systems designed to host standard PCIe or VME form-factor boards with chassis-level power distribution capable of feeding the integrated DC/DC converter modules. System-level integration specifications and pinout details are available from OEM documentation. Legacy component availability is maintained through authorized aerospace and defense parts distributors.


















