RM222-020-211-5500

Headers, Receptacles, Female Sockets Overview

The RM222-020-211-5500 is a rectangular MIL-spec connector from the AirBorn R Series, manufactured by Molex. It functions as a receptacle with 20 positions arranged in two rows. The component utilizes through-hole termination and features gold-plated female sockets. Designed for board mount installation at a straight angle, it operates within a temperature range of -65°C to +125°C. Key electrical ratings include a current capacity of 3 A and a voltage rating of 750 V. The housing is constructed from Polyphenylene Sulfide (PPS), and the contacts are made of Beryllium Copper and Brass with a 1.91 mm pitch.

Headers, Receptacles, Female Sockets Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged performance
• Utilizes gold-plated beryllium copper contacts for reliable signal transmission
• Features a PPS plastic body for thermal stability and durability

Headers, Receptacles, Female Sockets Applications

• Aerospace control systems
• Avionics interconnects
• Military electronic equipment
• Space exploration instrumentation

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against the official Molex/AirBorn datasheet to ensure correct termination style and contact configuration. Confirm that the required mounting ears and guide set options match the design intent. Cross-reference the manufacturer part number with any known aliases such as M55302/190LC020X to prevent procurement errors during sourcing.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a straight-mount receptacle with 20 circuits is required for high-reliability environments. Ensure the PCB layout accommodates the 1.91 mm pitch and through-hole requirements. Verify that the operating temperature range up to +125°C meets the system's thermal constraints and that the 750 V insulation rating is sufficient for the application voltage.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn R Series, a line of rectangular connectors designed for demanding applications. The series is characterized by its compliance with strict military standards and robust construction. As a Molex company product, AirBorn provides specialized connectivity solutions for sectors requiring high reliability and precision engineering in harsh conditions.

Headers, Receptacles, Female Sockets Replacement Considerations

The part may be interchangeable with M55302/190LC020X based on standard cross-reference data. Verify mechanical dimensions and contact alignment before substitution to ensure compatibility with existing panel or board mounts.