M55302/56B40

Headers, Male Pins Overview

The M55302/56B40 is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features a 40-position, two-row configuration with male pin contacts made of copper alloy and gold plating. The unit utilizes a solder termination type and a straight mounting style. Constructed with a polyphenylene sulfide (PPS) shell, it operates within a temperature range of -65°C to +125°C. The component has a 2.54 mm pitch and provides an insulation resistance of 5 GOhms.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for high-reliability interconnects.
• Features gold-plated copper alloy contacts for durable signal transmission.
• Utilizes polyphenylene sulfide housing for thermal stability.

Headers, Male Pins Applications

• Aerospace and defense systems
• Avionics equipment
• Military communication hardware

Headers, Male Pins Procurement Notes

Verify current lifecycle status directly with Molex or AirBorn, as availability may vary. Confirm that the specific part number matches the required contact configuration and termination style for your assembly. Request official datasheets and material compliance certificates prior to integration to ensure adherence to project specifications.

Headers, Male Pins Selection Notes

Select this model when a 40-position, two-row MIL-DTL-55302 connector is required. Ensure compatibility with existing PCB layouts due to the 2.54 mm pitch. Verify that the straight mounting style and solder termination align with mechanical constraints. Consider the operating temperature range and environmental sealing requirements for the target application.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, which offers high-density interconnect solutions. AirBorn, now part of Molex, specializes in connectors for demanding environments. The W Series is designed to meet rigorous military standards, providing robust performance for critical electronic systems in aerospace and industrial sectors.

Headers, Male Pins Replacement Considerations

Cross-reference with other M55302 series variants for equivalent positioning. Check for compatible mating plugs within the same W Series family. Verify dimensional tolerances and contact gender before substituting with alternative manufacturers' equivalents.