399-91-043-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max 399-91-043-21-300000 is a spring-loaded target connector designed for mating with pogo pins. It features 43 positions with a 0.100 inch (2.54mm) pitch. The contacts are made of brass alloy with a gold finish, providing reliable electrical connection in test and burn-in applications.

Headers, Receptacles, Female Sockets Feature Summary

• Spring-loaded design accommodates vertical misalignment during mating
• Gold-plated contacts ensure low contact resistance and corrosion resistance
• Right-angle through-hole mounting facilitates PCB layout flexibility

Headers, Receptacles, Female Sockets Applications

• Burn-in board connections
• Test fixture interfaces
• Production testing stations

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific series number and contact count against the official Mill-Max catalog to ensure compatibility with existing pogo pin assemblies. Confirm that the right-angle orientation matches the PCB design requirements before finalizing procurement orders.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when high-cycle durability and precise alignment tolerance are required for repetitive mating cycles. Ensure the mating pogo pins match the 0.100 inch pitch and contact geometry specifications defined in the manufacturer's cross-reference documentation.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the Mill-Max 399 series of spring-loaded targets. These components are engineered for high-reliability interconnects where frequent insertion and extraction occur without compromising signal integrity or mechanical stability over extended operational lifespans.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult the Mill-Max Cross Reference Tool for parametrically similar parts. Verify that any substitute maintains identical pitch, row configuration, and contact material specifications to ensure functional equivalence in the assembly.