RC422-128-221-4100

Headers, Receptacles, Female Sockets Overview

The RC422-128-221-4100 is a board-to-board and mezzanine connector from the AirBorn R Series, manufactured by Molex. It features a 128-position configuration with a 1.91 mm (0.075 in) pitch across four rows. The connector utilizes solder termination and straight press-fit mounting styles. Electrical ratings include a current capacity of 3 A and a voltage rating of 750 V. Operating temperatures range from -65 C to +125 C. Contacts are gold-plated beryllium copper housed in polyphenylene sulfide (PPS), providing an insulation resistance of 5 GOhms.

Headers, Receptacles, Female Sockets Feature Summary

• High-density interconnect capability with 128 positions arranged in a four-row layout for compact board stacking applications.
• Robust mechanical retention achieved through press-fit mounting combined with solder termination for secure PCB attachment.
• Durable construction utilizing gold-plated beryllium copper contacts within a high-temperature polyphenylene sulfide housing.

Headers, Receptacles, Female Sockets Applications

• Board-to-board interconnection in high-density electronic assemblies
• Mezzanine connector systems requiring vertical stacking
• Industrial equipment with strict thermal stability requirements

Headers, Receptacles, Female Sockets Procurement Notes

Verify component authenticity directly with Molex or authorized distributors due to limited regional availability on some platforms. Confirm RoHS compliance status via official certificates before integration. Ensure storage conditions maintain contact integrity given the gold plating specifications. Validate that the specific part number matches design requirements as supply chain constraints may affect immediate procurement.

Headers, Receptacles, Female Sockets Selection Notes

Select this model when a 128-position density is required with a 1.91 mm pitch. The four-row configuration supports high I/O counts in constrained spaces. Verify compatibility with press-fit installation processes alongside solder termination needs. Ensure the operating environment falls within the specified -65 C to +125 C temperature range for reliable performance.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn R Series, designed for rectangular board mount applications. It serves as a specialized solution for rigid board stacking where high pin counts and precise alignment are critical. The series emphasizes durability and electrical reliability in demanding environments.

Headers, Receptacles, Female Sockets Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching pitch, position count, and mounting style specifications precisely.

Headers, Receptacles, Female Sockets FAQ

What is the contact material used in this connector?

The contacts are made of beryllium copper with gold plating.

Does this connector support press-fit mounting?

Yes, the RC422-128-221-4100 utilizes a press-fit mounting style combined with solder termination.