RM212-040-121-2900

Headers, Receptacles, Female Sockets Overview

The AirBorn RM212-040-121-2900 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 (0.075 inch) pitch. Designed for vertical board mount installation via through-hole termination, it utilizes male pin contacts made of beryllium copper and brass with gold plating. The housing is constructed from polyphenylene sulfide (PPS), supporting an operating temperature range of -65°C to +125°C and a current rating of 3 A per contact.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Features a plastic body with mounting ears for secure PCB attachment
• Utilizes gold-plated male pin contacts for low resistance performance

Headers, Receptacles, Female Sockets Applications

• Military avionics systems
• Ruggedized electronic enclosures
• Defense communication equipment

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix codes against official Molex documentation to confirm exact tail length and jackset configuration. Ensure compatibility with mating receptacles in the same R Series family. Confirm that the gold termination and PPS material meet environmental requirements for the intended operational conditions.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a high-density 40-position interconnect is required in a compact form factor. The 1.91 mm pitch allows for significant circuit density within restricted board areas. Verify that the straight through-hole mounting style aligns with the mechanical constraints of the target printed circuit board design.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn R Series, a line of rectangular connectors designed for demanding environments. The series offers various row counts and position options while maintaining consistent MIL-DTL-55302 compliance. The RM212 prefix indicates a board mount plug configuration within this standardized product family.

Headers, Receptacles, Female Sockets Replacement Considerations

Cross-reference with other manufacturers offering MIL-DTL-55302 compliant connectors. Ensure dimensional compatibility regarding the 0.075 inch pitch and overall envelope size before substituting.