399-41-043-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max 399-41-043-21-300000 is a spring-loaded pogo pin contact designed for rigorous environments. It features a sleeve and plunger configuration with a brass alloy construction. The component utilizes a gold contact finish with a thickness of 20.0µin (0.51µm). It supports through-hole or solder cup mounting and operates within a temperature range of -55°C to 125°C. The unit has a rated current capacity of 6.4A and a plunger diameter of 0.042" (1.07mm). It is engineered for high-cycle durability, supporting up to 1,000,000 mating cycles.

Headers, Receptacles, Female Sockets Feature Summary

• Provides reliable electrical connections in demanding operational conditions
• Utilizes a precision-machined sleeve and plunger mechanism
• Features durable gold plating for consistent conductivity

Headers, Receptacles, Female Sockets Applications

• Board-to-board testing fixtures
• Burn-in sockets for electronic components
• Automated test equipment interfaces

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific tip geometry and plunger dimensions against the official datasheet before procurement. Confirm that the operating temperature range and current rating align with the target application requirements. Ensure the mounting method matches the intended PCB layout. Cross-reference the part number with the manufacturer's latest documentation to confirm active status and availability.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when high-cycle reliability and stable performance are required for interconnect applications. Consider the brass alloy material and gold finish for corrosion resistance and conductivity. Evaluate the mechanical force requirements against the specified initial and medium pressure values. Ensure the physical dimensions fit within the available space constraints of the design.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the Mill-Max individual spring-loaded contacts series. These parts are designed as precision-machined interconnect solutions. They serve as critical elements in test and burn-in hardware. The series emphasizes durability and consistent electrical performance across repeated mating cycles.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult the official Mill-Max catalog for direct substitutes. Verify compatibility regarding pitch, row count, and mounting style. Ensure replacement parts maintain identical electrical ratings and environmental specifications.