P4SMA110CA Circuit Protection

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The P4SMA110CA is a unidirectional surface-mount Transient Voltage Suppression (TVS) Diode. It is also known as a Transient Voltage Suppressor (TVS) diode, as it is designed to protect against sudden voltage spikes. The P4SMA110CA is highly reliable and easy to install TVS that can be used for various applications, including automotive, industrial, consumer, and computer/networking applications.

The P4SMA110CA is a single line unidirectional device that consists of an avalanche region and two back-to-back Zener regions connected in series. It has high surge capability with peak power dissipation of 950W to 1100W. It also features a low clamping voltage combined with a fast reaction speed, which makes it suitable for a variety of applications. The P4SMA110CA also has a High Modulation Sensitivity (HMS™) rated package, which increases reliability in the most demanding applications.

The main application field of P4SMA110CA is Protecting voltage transients to a specified timing. It is ideal for protecting circuits from high transients and voltage surges, repairing over-voltage and reverse polarity protection. The P4SMA110CA is suitable for various applications, including AC-DC adapters, automotive, consumer, industrial, computer/networking products, battery protection, and more.

The working principle of P4SMA110CA is based on the process of avalanche breakdown and Zener breakdown. When the current reaches a certain level, the voltage starts to drop. In avalanche operation, once the current exceeds the avalanche current level, the voltage across the diode starts to drop sharply. The avalanche breakdown happens when the electric field across the width of the junction exceeds a certain value. The Zener breakdown is caused by the increase in electric field when the voltage across the junction exceeds a certain threshold. With higher voltage, the Zener breakdown happens faster. In addition, with increasing temperature, the breakdown voltage decreases.

The TVS diode has a wide range of applications, and its most common use is for protecting against voltage surges. The P4SMA110CA is a reliable and cost-effective solution to protect various types of electrical circuits from overvoltage and high currents. It can withstand transients up to peak power of 950W to 1100W and features low clamping voltage combined with fast reaction speed. The P4SMA110CA is ideally suited for a wide range of industrial, consumer, automotive, and computer/networking applications. It is designed to protect against sudden voltage spikes and help keep the systems running in an efficient and safe manner.

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