SMBJ10CA-HR Circuit Protection

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Application Field and Working Principle of SMBJ10CA-HR

SMBJ10CA-HR is a type of s surge protective device (SPD), which is also known as a television suppressing diode (TVS). It is used in a wide range of applications, ranging from consumer electronics to automotive and industrial-grade protection. This article will discuss the application field and working principle of SMBJ10CA-HR.

Application Field

SMBJ10CA-HR is a transient voltage suppressor (TVS), which is designed to protect sensitive electronic equipment from voltage transients, also known as over-voltage transients. These surges can be caused by load switching, lightning strikes, power outages, or other sources of large voltage transients. SMBJ10CA-HR can protect your electronic equipment from fault conditions up to 1000V, with a fast response time of less than 1ns and excellent clamping performance. It\'s also designed for high-speed switching applications, with a low clamping voltage of 3V.

SMBJ10CA-HR is used in a variety of applications, including consumer electronics, automotive, industrial, and telecommunications. In consumer electronic applications, SMBJ10CA-HR can protect sensitive electronic components from voltage transients or over-voltages, such as when a television is switched off or a surge of electricity enters the power line. In the automotive industry, SMBJ10CA-HR can be used to protect delicate electronics from voltage transients or over-voltages caused by load switching in car audio systems. In industrial applications, TVSs are typically used in order to protect sensitive industrial electronic equipment from voltage transients caused by switching, power outages, or other sources of large voltage transients.

Working Principle

When a transient voltage or surge in line voltage occurs, the SMBJ10CA-HR will clamp the voltage to a low level as an open circuit, protecting the sensitive components from the overvoltage. A TVS works by quickly detecting the rise in voltage and discharging or "clamping" the voltage to a low level. The TVS is able to do this because of the Zener diode inside it, which is designed specifically for transient voltage suppression. When a surge in voltage occurs, the zener diode will conduct the current, creating a low impedance path which will help dissipate the excess energy. The SMBJ10CA-HR has a breakdown voltage of 6.6V, as well as an operating voltage of 6.0V, meaning that it will conduct the current from an overvoltage of 6.6V or higher. This makes it one of the most efficient and reliable TVSs on the market.

In addition, SMBJ10CA-HR can protect devices from electrostatic discharge (ESD) events as well. This is because the Zener diode is able to activate and clamp the voltage when an ESD event occurs, protecting the device from the high voltage.

SMBJ10CA-HR is a highly efficient and reliable TVS that can be used in a variety of applications. Its low clamping voltage and fast response time make it ideal for protecting sensitive electronic components from over-voltage transients and ESD events. In addition, the Zener diode inside the SMBJ10CA-HR helps to dissipate the excess energy quickly and effectively.

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