M55302/58-B40H

Headers, Receptacles, Female Sockets Overview

The M55302/58-B40H is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It features 40 positions arranged in two rows with a 2.54 mm pitch. Designed for PCB mount installation, this receptacle utilizes solder termination and gold-plated copper alloy sockets. The housing is constructed from Polyphenylene Sulfide (PPS), providing an insulation resistance of 5 GOhms. Rated for 5 A current, it operates within a temperature range of -65°C to +125°C.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged environmental performance
• Utilizes gold-plated contacts for reliable signal transmission
• Features PPS housing material for thermal stability

Headers, Receptacles, Female Sockets Applications

• Aerospace electronic systems
• Military communication equipment
• Harsh environment industrial control

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific manufacturer lot traceability and certification documents required for your procurement process. Confirm that the component meets all applicable quality standards for your intended application before finalizing orders. Ensure compatibility with mating connectors regarding pin configuration and shell size.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a 40-position straight-mount receptacle is required. Verify that the 2.54 mm pitch aligns with your PCB layout constraints. Ensure the 5 A current rating and -65°C to +125°C operating range suit your system's electrical and thermal requirements.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn W Series, designed for high-density interconnects. It adheres to MIL-DTL-55302 standards, ensuring durability against vibration, shock, and moisture. The series supports various position counts and termination styles for diverse electronic applications.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the MIL-DTL-55302 specification, 40-position count, 2-row configuration, and 2.54 mm pitch. Verify identical termination type (solder) and contact gender (socket). Cross-reference shell sizes and mounting styles to ensure mechanical compatibility.