How to Select the Correct Spring-Loaded Connector for Today's Interconnect Applications

1 min read

Connectivity is more crucial than ever in modern electronics designs. The widespread availability of proven-reliable connector technologies that facilitate both miniaturization and problem-free, long-lasting connectivity has made a significant contribution to the growth of modern devices and other applications. Spring-loaded connectors are one such technology and have grown in popularly due to benefits including: tolerance forgiveness, compatibility with uneven mating surfaces and blind mating applications, and ease of use.

The primary components in spring-loaded connectors are the spring-loaded pins, which are also sometimes referred to as spring-loaded contacts, spring probes, or pogo pins. These pins are typically comprised of at least three precision-machined components assembled with a spring to allow for a range of movement and electroplated with gold over nickel to deliver excellent electrical conductivity, durability, and lifelong corrosion protection. When assembled into high-quality connectors, spring-loaded pins exhibit high reliability, low contact resistance, high cycle life, excellent signal integrity, and a competitive edge over other technologies, making them well suited for use in a wide range of demanding applications.

Designers now have an extensive selection of high-quality, precision-machined, spring-loaded connector solutions to choose from, but must still strive to achieve the right balance between reliability, suitability, and cost for the connectors they specify. To strike this ideal balance, designers must have a thorough understanding of an application’s connectivity requirements.

There are many options to consider when specifying spring-loaded connectors, starting with the basic requirements of withstanding voltage, current capacity, and contact resistance.

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