399-91-047-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max Manufacturing Corp. model 399-91-047-21-300000 is a spring-loaded test probe contact designed for high-reliability electrical connections in rigorous environments. This component features a sleeve and plunger configuration with gold-plated brass alloy contacts to ensure stable signal transmission. It supports through-hole or solder cup mounting methods, providing secure attachment to printed circuit boards. The unit is rated for an operating temperature range of -55°C to 125°C and offers a mechanical lifespan of one million cycles. Its design facilitates efficient testing and burn-in procedures.

Headers, Receptacles, Female Sockets Feature Summary

• Utilizes a sleeve and plunger mechanism for reliable electrical connection under pressure
• Features gold-plated brass alloy contacts for corrosion resistance and conductivity
• Supports through-hole and solder cup mounting configurations
• Rated for one million mating cycles and wide temperature operation

Headers, Receptacles, Female Sockets Applications

• Burn-in sockets and test fixtures
• In-circuit testing (ICT) probes
• Board-level functional testing

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific tip style and current rating requirements against the official datasheet before ordering. Confirm that the mounting method aligns with the target PCB layout. Ensure environmental conditions fall within the specified temperature range. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Check RoHS compliance status if required by project specifications.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when high-cycle durability and consistent contact resistance are critical. Consider the plunger travel and operating force requirements for the specific application. Evaluate the contact material and finish based on the environment's corrosiveness. Ensure the physical dimensions fit within the available board space. Compare performance metrics against alternative spring-loaded solutions for optimal cost and reliability balance.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the Mill-Max 399 series of individual spring-loaded contacts. These components are engineered for precision interconnect applications where standard connectors may not suffice. The series is known for its robust construction and ability to maintain electrical continuity during repeated mechanical stress. It complements other Mill-Max products in complex testing infrastructure.

Headers, Receptacles, Female Sockets Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer directly for cross-reference information or equivalent models with compatible electrical and mechanical specifications.