M55302/58LC40X

Overview

The M55302/58LC40X is a rectangular MIL-DTL-55302 connector from the AirBorn W Series. It features a 40-position, 2-row configuration with a 2.54 mm pitch. The component utilizes gold-plated copper alloy contacts and a Polyphenylene Sulfide (PPS) housing. Rated for 5 A current and 1 kV voltage, it operates between -65°C and +125°C with an insulation resistance of 5 GOhms.

Feature Summary

• Compliant with MIL-DTL-55302 military specifications for high-reliability applications
• Constructed with durable Polyphenylene Sulfide (PPS) housing material
• Features gold-plated copper alloy contacts for reliable signal transmission

Applications

• Military aerospace electronic systems
• Aviation communication equipment
• Ruggedized industrial control interfaces

Procurement Notes

Verify the specific suffix 'LC' against official Molex/AirBorn documentation to confirm exact pinout and orientation variations. Confirm RoHS compliance status directly with the manufacturer as datasheets may vary. Ensure the intended application environment matches the specified temperature range and voltage ratings before finalizing procurement.

Selection Notes

Select this part for designs requiring standardized MIL-DTL-55302 form factors. The 40-position count suits complex signal routing needs. Verify mating compatibility with corresponding plugs or receptacles in the same series. Consider the straight and right-angle availability indicated by the series description when planning board layout constraints.

Part Context

This component belongs to the AirBorn W Series, designed for demanding environments. It adheres to strict military standards ensuring performance where failure is not an option. The series provides versatile interconnection solutions for critical infrastructure and defense electronics requiring robust mechanical and electrical stability.

Replacement Considerations

Cross-reference with M55302/58-B40X or similar variants only if official substitution data confirms identical electrical and mechanical parameters. Verify that any alternative maintains the required 2-row, 40-position geometry and PPS housing characteristics.

FAQ

What is the contact plating material?

The contacts are made of copper alloy with gold plating.

Does this connector support both straight and right-angle mounting?

Yes, the W Series designation indicates availability in both straight and right-angle configurations.