SMBJ24CA-TR Circuit Protection

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TVS - Diodes is a fast-growing industry in the electronics sector, and the SMBJ24CA-TR is one of its most widely used components. This type of diode is used in a variety of high-power applications, and it is designed specifically to provide protection against electrostatic discharge (ESD) and other forms of overvoltage.

Application Field

The SMBJ24CA-TR is typically used in high-current and high-voltage applications, such as solid state electronics, automotive electronics, and consumer appliances. In particular, it\'s excellent at providing surge protection for circuits that need to be able to sustain high positive or negative transient voltages. It\'s also well suited for use in devices that utilize very large capacitors and inductors.

The SMBJ24CA-TR has many advantages when compared to alternative solutions like MOVs or zener diodes. It is capable of handling larger voltage surges and is designed to be able to self-discharge after a fraction of a second. This makes it ideal for applications where the surge will likely be repeated, as the ability to self-discharge means that the surge protection can be restored without having to physically reset the diode.

Working Principle

At its most basic, the SMBJ24CA-TR is a two-terminal device that consists of a reverse-biased diode with an attached electrode. When the voltage applied to the diode exceeds a certain threshold, it switches from its low-impedance state to its high-impedance state. This switch occurs quickly, usually in under a few hundred nanoseconds. The threshold value for the switch is determined by the size of the breakdown voltage of the diode, which is usually around 6.5 volts.

Once the switch has occurred, the reverse-biased diode acts like an open circuit. This stops any further voltage or current from passing through it. In addition, the diode also acts as a surge protector, as it is able to dissipate a significant amount of energy even when the transient voltage is very short.

The ability of the SMBJ24CA-TR to provide both surge protection and ESD protection makes it an ideal component for a wide variety of applications. Its fast switching speed, low-cost, and wide operating temperature range allow it to be used in a wide range of applications, from consumer electronics to automotive electronics.

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