M55302/57B40X

Headers, Male Pins Overview

The M55302/57B40X is a MIL-DTL-55302 compliant rectangular connector from the AirBorn W Series, manufactured by Molex. It features a right-angle plug configuration with 40 positions arranged in two rows. The component utilizes gold-plated copper alloy pins and a polyphenylene sulfide (PPS) housing. Designed for free-hanging installation, it supports a wire gauge of 22 AWG with a 2.54 mm pitch. Electrical specifications include an insulation resistance of 5 GOhms and a current rating of 5 A, operating within a temperature range of -65 C to +125 C.

Headers, Male Pins Feature Summary

• Compliant with MIL-DTL-55302 military standards for rugged performance
• Right-angle plug design facilitates flexible circuit integration
• Gold-plated contacts ensure reliable signal transmission
• Polyphenylene sulfide housing provides thermal stability

Headers, Male Pins Applications

• Aerospace systems requiring high-density interconnects
• Defense electronics utilizing MIL-Spec components
• Flexible circuit board assemblies
• Military-grade PCB mounting applications

Headers, Male Pins Procurement Notes

Verify that the specific part number matches the required military specification compliance. Confirm that the right-angle orientation and 40-position count align with the mechanical constraints of the target assembly. Ensure that the solder termination type is compatible with the manufacturing process. Cross-reference the manufacturer designation as Molex / AirBorn to guarantee authenticity and traceability of the component supply chain.

Headers, Male Pins Selection Notes

Select this model when a MIL-DTL-55302 certified right-angle plug is required for high-reliability environments. The 40-position capacity suits applications needing dense pin arrangements in limited space. Consider the 2.54 mm pitch and 22 AWG wire compatibility for standard harnessing. The PPS material and gold plating are suitable for harsh conditions where corrosion resistance and stable conductivity are critical operational requirements.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, which specializes in rectangular connectors designed for flexible circuits. The series aims to reduce costs while maintaining reliable performance in demanding sectors. As a MIL-DTL-55302 product, it adheres to strict military quality standards, ensuring durability and consistency across aerospace and defense platforms where standard commercial connectors may not suffice.

Headers, Male Pins Replacement Considerations

Compatible substitutes within the same family include M55302/57B30X and M55302/57B14X. These alternatives share similar construction but differ in position counts. Verify that the replacement maintains the right-angle orientation and 40-pin requirement if exact interchangeability is needed. Always confirm that the substitute meets the same MIL-DTL-55302 specifications.