399-91-030-21-300000

Headers, Receptacles, Female Sockets Overview

The Mill-Max 399-91-030-21-300000 is a board-to-board connector socket designed for high-reliability interconnect applications. It features a female socket configuration with a standard pitch and is constructed from brass alloy contacts with gold plating to ensure stable electrical performance. The component supports through-hole mounting, allowing for secure attachment to printed circuit boards. It operates within a temperature range of -55°C to 125°C and meets RoHS3 compliance standards. This connector is part of the 399 series, offering precise mechanical alignment and durable contact integrity for demanding electronic assemblies.

Headers, Receptacles, Female Sockets Feature Summary

• Female socket configuration for board-to-board mating
• Gold-plated brass alloy contacts for corrosion resistance
• Through-hole mounting for secure PCB attachment
• Wide operating temperature range for environmental stability

Headers, Receptacles, Female Sockets Applications

• High-density board-to-board interconnections
• Test and measurement equipment interfaces
• Industrial control system modules
• Telecommunications hardware assemblies

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific pin count and row configuration against the official datasheet before procurement, as the 399 series offers numerous variations. Confirm that the gold plating thickness and contact material meet the required signal integrity specifications for the application. Ensure that the through-hole mounting style aligns with the target PCB layout and manufacturing processes. Cross-reference the RoHS3 status if environmental compliance is mandatory for the final product assembly.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a reliable female socket interface is required for vertical or horizontal board stacking. Consider the mechanical strength of the through-hole termination for vibration-prone environments. Evaluate the contact geometry and plating thickness to ensure compatibility with the mating header's durability requirements. Verify that the overall height and footprint fit within the constrained space of the electronic enclosure design.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the Mill-Max 399 series, which specializes in precision-machined interconnect components. The series is known for high reliability and customizability in board-to-board applications. Mill-Max Manufacturing Corp. produces these connectors using vertically integrated processes, ensuring quality control from raw material to finished product. The 399 series includes various configurations to support diverse electronic industry needs.

Headers, Receptacles, Female Sockets Replacement Considerations

No public confirmed substitute part numbers are available for this specific model.