M55302/58LB44X

Headers, Receptacles, Female Sockets Overview

The M55302/58LB44X is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It functions as a receptacle with 44 positions arranged in two rows. The component utilizes solder termination for PCB mounting and features gold-plated copper alloy contacts. Constructed with a Polyphenylene Sulfide (PPS) housing, it operates within a temperature range of -65°C to +125°C. The connector adheres to MIL-DTL-55302 standards, ensuring reliability in demanding environments.

Headers, Receptacles, Female Sockets Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged performance
• Gold-plated contacts ensure reliable signal transmission
• Polyphenylene Sulfide housing provides thermal stability

Headers, Receptacles, Female Sockets Applications

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

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix configuration against the official datasheet to confirm contact orientation and mating interface compatibility. Ensure the selected variant matches the required MIL-DTL-55302 standard revisions. Cross-reference the manufacturer part number with authorized distributors to confirm current availability status and authenticity before procurement.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a high-density, two-row rectangular connector is required for PCB mounting. Verify that the 44-position layout fits the board space constraints. Confirm that the solder termination method aligns with the assembly process. Ensure the operating temperature range meets the environmental requirements of the target application.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn W Series, designed for high-reliability interconnect solutions. The series is widely used in aerospace and defense sectors where strict adherence to military standards is mandatory. The M55302 designation indicates compliance with specific military dimensional and performance criteria established by the Department of Defense.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the MIL-DTL-55302 specification, 44-position count, and two-row configuration. Verify pinout compatibility and housing material properties. Alternative parts from other manufacturers require rigorous qualification testing to ensure interchangeability in certified military applications.