M55302/55-A20S

Overview

The M55302/55-A20S is a rectangular MIL-DTL-55302 receptacle from the AirBorn W Series. It features 20 positions in a 2-row configuration with a 2.54 mm pitch. The connector utilizes gold-plated copper alloy socket contacts and solder cup termination for PCB mounting. Constructed with a polyphenylene sulfide (PPS) housing, it supports a current rating of 5 A and operates between -65 C and +125 C.

Feature Summary

• Military-grade construction compliant with MIL-DTL-55302 specifications
• Gold-plated copper alloy female contacts for reliable signal transmission
• Polyphenylene sulfide housing material for thermal stability

Applications

• Avionics systems requiring rugged interconnects
• Defense electronics assemblies
• High-reliability industrial control panels

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm contact type and termination style. Ensure compatibility with mating plugs within the same series. Confirm environmental ratings match operational requirements before procurement.

Selection Notes

Select this component for applications demanding high-density connections in constrained spaces. The solder cup termination requires compatible PCB layout. Verify that mating connectors share the same MIL-DTL-55302 standard and physical dimensions.

Part Context

This part belongs to the AirBorn W Series, designed for high-performance military and aerospace environments. The series offers various configurations to meet stringent durability and electrical standards required in critical infrastructure.

Replacement Considerations

Compatible substitutes include other MIL-DTL-55302 Class K or L receptacles with identical pin counts and termination styles. Cross-reference mating plugs to ensure mechanical fit and electrical continuity.