M55302/56C66

Headers, Male Pins Overview

The M55302/56C66 is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It features a 66-position configuration with two rows of contacts. The component utilizes a solder termination type and is designed for free-hanging installation. Contacts are gold-plated copper alloy pins. The housing is constructed from Polyphenylene Sulfide (PPS). It operates within a temperature range of -65°C to +125°C, maintains an insulation resistance of 5 GOhms, and supports a current rating of 5 A at a 2.54 mm pitch.

Headers, Male Pins Feature Summary

• Compliant with MIL-DTL-55302 military specifications
• Gold-plated pin contacts for reliable signal transmission
• Polyphenylene Sulfide (PPS) housing material
• Free-hanging plug design

Headers, Male Pins Applications

• Aerospace and defense systems
• Military equipment interconnections
• Harsh environment electronic assemblies
• High-reliability industrial control units

Headers, Male Pins Procurement Notes

Verify the specific manufacturer status and lifecycle stage directly with Molex or authorized distributors before procurement. Confirm that the part number corresponds to the correct revision and packaging requirements. Ensure compatibility with mating receptacles in the same series. Check for any export restrictions or supply chain limitations associated with military-grade components.

Headers, Male Pins Selection Notes

Select this component when a high-density, ruggedized connection is required for military applications. The 66-pin count suits complex signal routing needs. Consider the free-hanging form factor for panel mounting or cable assembly integration. Verify that the 5 A current rating and PPS thermal stability meet the system's operational demands.

Headers, Male Pins Part Context

This connector belongs to the AirBorn W Series, known for robust performance in demanding environments. AirBorn was acquired by Molex in 2024, integrating its specialized aerospace technology into Molex's broader portfolio. The W Series specifically targets applications requiring high reliability and compliance with strict military standards like MIL-DTL-55302.

Headers, Male Pins Replacement Considerations

Direct substitutes must adhere to MIL-DTL-55302 standards with identical pin counts and contact configurations. Cross-reference with other manufacturers offering equivalent rectangular MIL-spec connectors. Ensure mechanical dimensions and mating interface compatibility are verified before substitution.