M55302/63B40H

Headers, Male Pins Overview

The M55302/63B40H is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features a push-pull locking mechanism and PCB mount installation style with right-angle orientation. The component has 40 positions arranged in two rows, utilizing gold-plated copper pin contacts with a 2.54 mm pitch. Rated for 100 V and 5 A, it operates within a temperature range of -65°C to +125°C. The housing is constructed from polyphenylene sulfide (PPS), ensuring high insulation resistance of 5 GOhms.

Headers, Male Pins Feature Summary

• Push-pull locking mechanism for secure mating
• High-density two-row configuration
• Gold-plated copper contact construction

Headers, Male Pins Applications

• Military electronic systems
• Aviation avionics equipment
• Ruggedized industrial control panels

Headers, Male Pins Procurement Notes

Verify the specific suffix 'B40H' against official Molex/AirBorn documentation to confirm exact contact length and shell options. Ensure compatibility with existing MIL-DTL-55302 standards before procurement. Cross-reference datasheet revisions to avoid obsolete variants. Confirm RoHS compliance status directly with the manufacturer as regulatory requirements may vary by production batch.

Headers, Male Pins Selection Notes

Select this model for applications requiring high-density interconnects in harsh environments. The 40-position count and 2.54 mm pitch suit space-constrained designs. Verify that the right-angle PCB mount aligns with board layout constraints. Ensure the operating temperature range meets system thermal requirements. Confirm that the push-pull interface matches the mating cable or backshell specifications.

Headers, Male Pins Part Context

This part belongs to the AirBorn W Series, which offers high-density metal and plastic shell connectors based on MIL-DTL-55302 approval. The series supports various contact counts and spacing options, enabling flexible design integration for mission-critical applications requiring reliable performance under demanding conditions.

Headers, Male Pins Replacement Considerations

Compatible substitutes include other MIL-DTL-55302 compliant connectors with matching 40-position, two-row configurations. Verify identical push-pull locking mechanisms and right-angle mounting styles. Ensure equivalent electrical ratings and material compositions for direct interchangeability.