RM212-040-121-5500

Headers, Receptacles, Female Sockets Overview

The AirBorn RM212-040-121-5500 is a rectangular MIL-spec connector plug from the R Series, manufactured by Molex. It features a dual-row configuration with 40 positions and a 1.91 mm pitch. Designed for vertical board mount installation via through-hole termination, it utilizes gold-plated beryllium copper contacts housed in a polyphenylene sulfide (PPS) body. The component complies with MIL-DTL-55302 standards, supporting a current rating of 3 A and voltage up to 750 V across an operating temperature range of -65 C to +125 C.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Features gold-plated beryllium copper contacts for durable conductivity
• Constructed with polyphenylene sulfide housing for thermal stability

Headers, Receptacles, Female Sockets Applications

• Military aerospace avionics systems
• Ruggedized electronic equipment requiring high-density interconnects
• Board-to-board connections in harsh environmental conditions

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against official Molex documentation to ensure correct termination style and mounting ear configuration. Confirm that the requested variant matches the required MIL-DTL-55302 compliance level. Cross-reference the pin count and row arrangement with system schematics to prevent integration errors during procurement.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a dual-row, straight-mount plug is required for high-reliability applications. Ensure the PCB layout accommodates the 1.91 mm pitch and through-hole tail length. Verify that the 3 A current rating per contact meets the circuit load requirements within the specified temperature range.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn R Series, a family of rectangular connectors designed for demanding environments. The series offers various row counts and mounting options while maintaining consistent electrical performance and mechanical durability defined by military standards.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the MIL-DTL-55302 specification, 40-position count, and 1.91 mm pitch. Verify compatibility with existing mating receptacles before substitution.