399-41-039-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max 399-41-039-21-300000 is a spring-loaded pogo pin connector designed for board-to-board or board-to-cable applications. It features a brass alloy contact material with gold plating and operates within a temperature range of -55°C to 125°C. The component supports a rated current of 6.4A and offers a mechanical life of one million cycles. Key dimensions include a plunger diameter of 0.019 inches (0.48mm) and an overall height of 0.362 inches. It utilizes through-hole mounting with solder cup termination.

Headers, Receptacles, Female Sockets Feature Summary

• Provides reliable electrical connections in rigorous environments using sleeve and plunger construction
• Features gold contact finish for enhanced conductivity and corrosion resistance
• Supports high-cycle durability with a mechanical life of one million operations

Headers, Receptacles, Female Sockets Applications

• Board-to-board interconnects requiring spring-loaded contact
• Automotive electronic systems demanding high reliability
• Industrial control equipment interfaces
• Test and measurement probe connections

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against the official Mill-Max catalog to ensure correct tip style, length, and termination type. Confirm that the selected variant matches the required operating temperature range and current rating for the target application environment before finalizing procurement orders.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a spring-loaded connection is required for repeated mating cycles. Ensure the design accommodates the specified plunger diameter and overall height constraints. Verify compatibility with the target PCB layout for through-hole solder cup termination and confirm that the 6.4A current rating meets the circuit requirements.

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 high-reliability applications where standard connectors may fail due to vibration or thermal cycling. The series is widely used in industries requiring robust, precision-machined interconnect solutions.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult the official Mill-Max cross-reference guide for verified substitute part numbers. Ensure any replacement matches the critical dimensions, electrical ratings, and mounting configuration of the original component.