CA20L28-21SXB

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The CA20L28-21SXB is an electrical component designed for both on-board and off-board applications in autos, boats, and other vehicles. It is a high-rate auto putty capable of providing high short circuit protection and numerous fault protection functions. This particular component offers numerous advantages, including improved energy and current efficiency, reliable temperature performance, and improved design flexibility. Thanks to all these features, the CA20L28-21SXB has become an integral part of auto putty systems in most auto and boat applications.

The CA20L28-21SXB is an auto putty with a rating of 2 to 150 volts and a current capacity of 28 amps. It is designed to be mounted on a PCB board or connector. The component is UL-approved and is designed to meet the mechanical and electrical requirements set forth in the UL 1670 standard. Furthermore, the CA20L28-21SXB meets the highest requirements for temperature, humidity, and shock resistance.

In order to understand the working principle of the CA20L28-21SXB, it is important to understand its main components. The component consists of a base material and two primary components. The base material consists of a polymeric material, which provides the surface for the copper coated conductive metal layer, galvanizing the base and improving mechanical performance. The two primary components are a series of silver-plated silver alloy contacts and a three-contact system. The silver alloy contacts provide the electrical connections between the CA20L28-21SXB and the external circuit, while the three-contact system allows for unidirectional operation and temperature control.

When the component is in use, it will first sense the current passing through the device. This current is then absorbed by the two silver alloy contacts, which act as a variable resistor. As a result, the temperature of the silver alloy contacts will be affected. This temperature is then regulated by the three-contact system, which can switch between two types of resistors, depending on the temperature range detected. As the temperature increase, the resistors will activate and provide higher levels of resistance at a higher temperature.

When the CA20L28-21SXB is connected to the external circuit, it helps to provide reversing and overload protection. It also helps to limit the current through the device, which helps to maintain proper operation and prevent damage to the components. Furthermore, the component also provides an adjustable delay time, which helps to ensure that the correct voltage and current are applied where needed.

The CA20L28-21SXB is widely used in on-board and off-board applications, such as in boats, cars, and other vehicles. It is an essential component for providing electrical protection and efficiency in these scenarios. Furthermore, the component is designed for use in temperature, humidity, and shock-resistant applications, making it a reliable and durable part for electrical systems.

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