399-91-009-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max 399-91-009-21-300000 is a spring-loaded PCB target connector designed for mating with pogo pins. It features a right-angle through-hole mounting configuration with a 21-position contact array arranged in a single row. The unit utilizes a brass alloy construction with a gold contact finish to ensure reliable electrical performance. Key dimensional specifications include a 0.100-inch (2.54mm) pitch and an overall height of 0.362 inches. The component operates within a temperature range of -55°C to 125°C and supports a rated current of 6.4A.

Headers, Receptacles, Female Sockets Feature Summary

• Right-angle surface mount geometry facilitates compact board layout integration.
• Spring-loaded mechanism provides consistent contact pressure against mating probes.
• Gold-plated contacts ensure low resistance and corrosion resistance.

Headers, Receptacles, Female Sockets Applications

• In-circuit testing and manufacturing test fixtures
• Board-to-board interconnects requiring frequent probe engagement
• Automated optical inspection (AOI) stations

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix codes on the ordering information to confirm the exact plating thickness and tail type required for your assembly process. Ensure that the selected variant matches the mechanical constraints of your printed circuit board design, particularly regarding the right-angle footprint and hole dimensions. Cross-reference the official Mill-Max catalog to confirm availability and lead times before finalizing procurement plans.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a right-angle orientation is necessary to align with vertical pogo pin arrays. The 21-position count suits applications requiring moderate I/O density without excessive board space consumption. Verify that the 6.4A current rating meets the signal requirements of the test points. Consider the operating temperature range if the environment involves extreme thermal cycling during testing procedures.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the Mill-Max 399 series, which specializes in spring-loaded targets for pogo pin mating. The series is widely used in electronic manufacturing services for functional testing. The 399-91 designation specifically indicates the right-angle through-hole style, distinguishing it from standard vertical or surface-mount variants within the same product family.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult the Mill-Max cross-reference tool for parametrically similar parts. Ensure any substitute maintains the 0.100-inch pitch and 21-contact count. Verify compatibility with existing pogo pin diameters and insertion forces to prevent mechanical damage or poor electrical contact during replacement.

Headers, Receptacles, Female Sockets FAQ

What is the maximum operating temperature for this connector?

The component is rated for operation between -55°C and 125°C.

Does this connector support high-current applications?

Yes, it has a rated current capacity of 6.4A per contact.