M55302/58LB20F

Headers, Receptacles, Female Sockets Overview

The M55302/58LB20F is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It is classified as a receptacle with 20 positions arranged in two rows. The component utilizes solder cup termination and is designed for PCB mount installation. Contacts are female sockets made of copper alloy with gold plating. The housing is constructed from polyphenylene sulfide (PPS). Key electrical parameters include a current rating of 5 A, insulation resistance of 5 GOhms, and a pitch of 2.54 mm. It operates within a temperature range of -65 C to +125 C.

Headers, Receptacles, Female Sockets Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged reliability.
• Features gold-plated copper alloy contacts for durable signal transmission.
• Constructed with PPS housing for thermal stability and chemical resistance.

Headers, Receptacles, Female Sockets Applications

• Aerospace avionics systems
• Military communication equipment
• Ruggedized electronic instrumentation

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix 'LB' against official Molex/AirBorn documentation to confirm exact contact configuration and mounting variations. Ensure compatibility with mating plugs regarding pin/socket orientation. Confirm RoHS status and environmental certifications required for the specific deployment environment before finalizing procurement orders.

Headers, Receptacles, Female Sockets Selection Notes

Select this part for applications requiring high-density interconnects in constrained spaces. The 2.54 mm pitch supports standard wire gauges like 22 AWG. Verify that the PCB mount style aligns with the board layout constraints. Consider the straight installation angle for direct panel or board integration without additional bending requirements.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn W Series, a line of connectors known for high performance in demanding environments. As a MIL-DTL-55302 type, it adheres to strict government standards for durability and consistency. The series offers various position counts and termination styles to suit diverse electronic assembly needs.

Headers, Receptacles, Female Sockets Replacement Considerations

Cross-reference equivalent part numbers such as WB20SD9/12 if available in official substitution lists. Verify mechanical dimensions and contact alignment to ensure interchangeability without redesigning the host assembly.

Headers, Receptacles, Female Sockets FAQ

What is the contact material for this receptacle?

The contacts are made of copper alloy with gold plating.

Does this connector support crimp termination?

No, the M55302/58LB20F specifically uses solder cup termination.