M55302/58-B20F

Headers, Receptacles, Female Sockets Overview

The M55302/58-B20F is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It is a receptacle featuring 20 positions in a 2-row arrangement with a 2.54 mm pitch. The component utilizes gold-plated copper alloy sockets and mounts directly to PCBs via solder termination. Constructed with Polyphenylene Sulfide (PPS) housing, it supports a current rating of 5 A and operates within a temperature range of -65°C to +125°C.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Features gold-plated contacts for enhanced conductivity and corrosion resistance
• Utilizes high-performance PPS insulation material for thermal stability

Headers, Receptacles, Female Sockets Applications

• Military avionics systems
• Defense communication equipment
• Ruggedized industrial control interfaces

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific manufacturer source, as this part is produced under license by Molex/AirBorn. Confirm that the received unit matches the exact MIL-DTL-55302 standard requirements. Ensure the packaging integrity remains intact to prevent contact contamination prior to installation. Cross-reference the revision level against the project bill of materials to guarantee full compatibility with existing assembly processes.

Headers, Receptacles, Female Sockets Selection Notes

Select this model when a 20-position, 2-row interface is required for board-to-board or cable connections. The 2.54 mm spacing accommodates standard wire gauges suitable for 5 A loads. Verify that the straight PCB mount style aligns with the enclosure constraints. This series provides a standardized solution for applications demanding strict adherence to military environmental testing protocols.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn W Series, a family of high-density connectors designed for harsh environments. The M55302 designation indicates compliance with the specific MIL-DTL-55302 standard. As a Molex company product, it integrates advanced manufacturing capabilities with established military-grade quality controls to ensure consistent performance across defense and aerospace supply chains.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must share the same MIL-DTL-55302 specification, 20-position count, 2.54 mm pitch, and socket configuration. Verify that any alternative maintains identical mounting dimensions and electrical ratings to ensure mechanical fit and functional equivalence without redesigning the host circuit board.