RC442-028-311-4000

Headers, Receptacles, Female Sockets Overview

The RC442-028-311-4000 is a board-to-board and mezzanine connector from the AirBorn RC Series, manufactured by Molex. It features a straight mounting style with a 1.91 mm (0.075 in) pitch across four rows. The component provides 28 positions using beryllium copper contacts with gold plating. It supports a current rating of 3 A and a voltage rating of 750 V. The housing is constructed from polyphenylene sulfide (PPS), enabling operation within a temperature range of -65 °C to +125 °C. The insulation resistance is specified at 5 GOhms.

Headers, Receptacles, Female Sockets Feature Summary

• Stackable design for vertical board interconnection
• High-conductivity beryllium copper contact material
• Polyphenylene sulfide insulating body for thermal stability

Headers, Receptacles, Female Sockets Applications

• Board-to-board stacking connections
• Mezzanine circuit interconnects
• High-density electronic assemblies

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific termination type and tail length configuration against the official datasheet before procurement. Confirm that the ordering suffix matches the required mechanical interface. Ensure compatibility with mating connectors within the same RC Series family to guarantee proper alignment and electrical continuity.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a stackable, high-reliability interconnect is required for dense PCB layouts. The 1.91 mm pitch offers a balance between signal density and spacing. Consider the PPS housing material for applications requiring robust thermal performance and chemical resistance during assembly processes.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn RC Series, which specializes in rugged rectangular connectors designed for demanding environments. The series utilizes eye-of-the-needle contacts to ensure secure mating. As a Molex company product, it adheres to strict manufacturing standards for aerospace and industrial reliability.

Headers, Receptacles, Female Sockets Replacement Considerations

Compatible substitutes include other RC Series variants with matching 4-row configurations and 1.91 mm pitch. Verify pin count and terminal style equivalence. Cross-reference with MIL-DTL-55302 specifications if military-grade compliance is required for the application.