Würth Elektronik 61001621121

621121 Würth Elektronik SMD 16-Pin 2.54MM Connector Header Product Summary

The Würth Elektronik 621121 model, listed under the manufacturer product number 61001621121, is a surface-mount device (SMD) connector header designed with 16 positions and a standard pitch of 2.54mm. Targeted at applications requiring reliable board-to-board or board-to-cable connections, this header stands out in PCB designs calling for precise component alignment and efficient assembly processes. The 621121 is engineered for environments where robust signal integrity and compact footprint are essential, such as industrial control systems, embedded platforms, and instrumentation.

Mechanical and Physical Details of the 621121 Würth Elektronik

The 621121 header features 16 contacts arranged with a 2.54mm pitch, conforming to industry-standard spacing that facilitates broad compatibility with connectors and sockets in the same category. As a surface-mount component, its design supports automated pick-and-place processes, streamlining high-volume manufacturing. The physical build is optimized for stability and ease of PCB layout, with terminal constructions ensuring a secure attachment and reliable mating cycles. Compact design aids engineers in achieving dense board layouts without sacrificing connector robustness or accessibility. The unit is constructed to meet quality expectations for professional-grade electronic assemblies.

Electrical Properties and Performance Data of 621121 Würth Elektronik

Engineered for efficient signal and power transmission, the 621121 connector header maintains low contact resistance and is suitable for standard logic-level currents and voltages consistent with 2.54mm SMD headers. The reliable electrical path minimizes losses and supports consistent signal integrity across 16 positions, which is crucial for parallel data lines or multi-channel interfacing. Proper material selection and manufacturing processes ensure compliance with rigorous industrial electrical standards, making it appropriate for robust data or power distribution tasks.

Installation and Assembly Guidelines for 621121 Würth Elektronik

The 621121 is designed for surface-mount placement, aligning with modern reflow soldering protocols used in automated production. Engineers should ensure correct pad design on the PCB for optimal solder fillet formation and mechanical strength. Its SMD nature means it does not require through-hole drilling, expediting assembly and reinforcing reliability by reducing potential for soldering defects under the connector body. When developing for mass production, the header’s configuration supports rapid assembly, rework, and inspection, helping optimize overall manufacturing throughput.

Common Use Cases for the 621121 Würth Elektronik Connector Header

This Würth Elektronik header finds primary use in densely populated control boards, industrial automation backplanes, communication devices, and embedded system PCBs. Engineers might deploy the 621121 for in-system programming headers, modular connectivity for subassemblies, or interface bridging in test and measurement equipment. It is a solid choice wherever reliable, compact board interconnects are critical, and where SMD infrastructure already exists in the assembly line.

Alternative or Substitute Options for the 621121 Würth Elektronik

For engineers or procurement professionals considering alternative sourcing or evaluating cross-reference options, several other headers may be considered, provided they offer similar pitch, pin count, and surface-mount capability. Viable equivalents typically come from other reputable manufacturers offering 2.54mm SMD headers in a 16-position format. Side-by-side comparison of material quality, rated current, and mechanical design is recommended to maintain application reliability and design intent.

Important Selection Factors for Engineers Choosing the 621121 Würth Elektronik

When selecting the 621121 Würth Elektronik Connector Header, engineers should focus on mechanical compatibility (footprint and pitch), electrical suitability (contact rating and insulation), and manufacturability (SMD suitability and reflow process reliability). Environmental and lifecycle requirements—such as operating temperature and expected mating cycles—should also be considered. The header’s certified manufacturing and quality compliance further bolster its suitability for high-reliability projects.

Conclusion

The Würth Elektronik 621121 SMD Connector Header, with its 16 positions and 2.54mm pitch, offers engineers a dependable and efficient interface solution for modern PCB applications. Its mechanical layout, robust performance characteristics, and compatibility with automated surface-mount assembly make it an ideal choice for a broad range of industrial and embedded system designs. Careful consideration of application needs and thorough cross-referencing will ensure optimal selection and successful integration into any advanced electronics assembly.