0990-4-50-20-75-14-11-0

Series:	0990
Part Status:	Active
Lead Free Status / RoHS Status:	--
Material:	Brass Alloy
Moisture Sensitivity Level (MSL):	--
Plating:	Gold
Plating - Thickness:	20µin (0.51µm)
Mounting Type:	Surface Mount

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Contacts

The 0990-4-50-20-75-14-11-0 contact is an indispensable component in a variety of modern electronics. It is used in a wide range of applications from automotive to telecommunications. Contacts come in a variety of styles, shapes, and sizes. There are two main types of contacts typically used in electronic design: spring-loaded and pressure. In this article, we will discuss the applications and working principles of these two types of contacts.

Spring Loaded Contacts

Spring-loaded contacts are, as the name implies, contacts that use a spring to provide a force to keep the contact surfaces connected. They are often used in applications where an audible and/or tactile “click” when the contact is made is desired. The contact force can range from as little as 0.001N up to 0.0403N. In addition, they are typically designed such that the spring force increases as the contact is opened. This ensures that the contact remains connected while in use.Spring-loaded contacts are most commonly used in push-button and slide-switch applications, as well as in various types of sensors and relays. The most popular materials used for spring-loaded contacts are copper and nickel plating, gold plating, and phosphor bronze.

Pressure Contacts

Pressure contacts, also known as sliding contacts, are contacts that use a sliding contactor to provide a consistent force to keep the surfaces connected. Unlike spring-loaded contacts, pressure contacts are typically designed to maintain a constant contact force regardless of the distance of the contactor. This means that the contact remains connected without the need for a spring.Pressure contacts are most commonly used in applications that require electrical stability such as motors and motorsports. The most popular materials used for pressure contacts are copper, silver, and gold plating.

Conclusion

The 0990-4-50-20-75-14-11-0 contact is a versatile and reliable component. It can be used in a variety of applications, from automotive and telecommunications to motorsports. It is available in a variety of styles, shapes, and sizes, with two of the most popular being spring-loaded and pressure contacts. When selecting a contact for a particular application, consideration should be given to the contact force, the materials used, and the application for which it is intended.

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