RM252-040-321-5503BN

Headers, Male Pins Overview

The AirBorn RM252-040-321-5503BN is a rectangular MIL-spec connector from the R Series, manufactured by Molex. It is a board mount plug with a right-angle orientation and a plastic body. The component features three rows of contacts with a 1.91 mm pitch, providing 40 positions. It utilizes through-hole termination with gold plating on beryllium copper pins. Designed for high reliability, it operates within a temperature range of -65°C to +125°C and meets MIL-DTL-55302 standards.

Headers, Male Pins Feature Summary

• Right-angle board mount configuration for space-efficient circuit integration
• Gold-plated beryllium copper contacts ensuring reliable signal transmission
• Polyphenylene sulfide (PPS) plastic housing for thermal stability
• Compliance with MIL-DTL-55302 military specifications

Headers, Male Pins Applications

• Aerospace avionics systems
• Military communication equipment
• Ruggedized instrumentation panels
• Defense electronics assemblies

Headers, Male Pins Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm pin count, termination style, and polarization settings. Ensure compatibility with existing PCB footprints and mating connectors. Confirm RoHS compliance status and lead times directly with authorized distributors or Molex/AirBorn sales representatives prior to finalizing procurement orders.

Headers, Male Pins Selection Notes

Select this connector when a right-angle, board-mount solution is required for MIL-DTL-55302 applications. The 1.91 mm pitch and 40-position capacity suit dense interconnect needs. Verify that the operating environment stays within the -65°C to +125°C range. Consider the PPS material properties for thermal resistance and ensure the through-hole mounting method aligns with the assembly process capabilities.

Headers, Male Pins Part Context

This component belongs to the AirBorn R Series, a line of rectangular connectors known for durability in harsh environments. The series offers various configurations including straight and right-angle plugs, different row counts, and multiple contact options. The RM252 variant specifically denotes a right-angle plug design within this standardized family.

Headers, Male Pins Replacement Considerations

Consult official cross-reference guides for direct equivalents. Potential substitutes may include other MIL-DTL-55302 compliant connectors from manufacturers like Glenair or ITT Cannon, provided they match the 1.91 mm pitch, 40-position count, and right-angle form factor.