M55302/58LC40X

Headers, Receptacles, Female Sockets Overview

The M55302/58LC40X is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features a 40-position configuration with two rows of socket contacts. The component utilizes a crimp termination method and is designed for PCB mount installation in a straight orientation. Contacts are gold-plated copper alloy, housed in polyphenylene sulfide (PPS). It supports a current rating of 5 A and operates within a temperature range of -65°C to +125°C.

Headers, Receptacles, Female Sockets Feature Summary

• MIL-DTL-55302 compliant military-grade construction
• Gold-plated copper alloy socket contacts
• Polyphenylene sulfide housing material

Headers, Receptacles, Female Sockets Applications

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

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific manufacturer lot traceability and RoHS compliance status directly with Molex or authorized distributors before procurement. Confirm that the crimping tooling matches the contact specifications. Ensure storage conditions maintain the integrity of the gold plating and PPS housing against environmental degradation during supply chain transit.

Headers, Receptacles, Female Sockets Selection Notes

Select this part when a 40-position, two-row receptacle is required for board-level interconnection. The crimp termination necessitates compatible wire processing tools. Verify that the PCB footprint aligns with the mounting flange dimensions. Consider the 5 A current rating and thermal limits for the specific application environment.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn W Series, a line of high-density rectangular connectors designed for demanding environments. The series offers various position counts and termination styles. The M55302/58LC40X specifically addresses needs for robust, shielded-capable connections in aerospace and defense sectors requiring reliable signal transmission.

Headers, Receptacles, Female Sockets Replacement Considerations

Cross-reference with other M55302/58 variants for different position counts or termination types. Verify compatibility with mating plugs such as M55302/65L40X equivalents. Ensure mechanical fit and electrical characteristics match the original design requirements.