SA90CA R0G

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS diodes (Transient Voltage Suppression Diodes) are electronic components designed to protect vulnerable circuits, parts, and systems from damaging voltage transients. The SA90CA R0G is a surface-mount unidirectional device specifically for use in personal computers and other digital applications. This article will explore the application fields and working principles of this model of TVS diode.

Application Fields

TVS diodes are generally used in order to protect a variety of systems and components, and the SA90CA R0G is no exception. It is typically used to protect electronic circuits that are exposed to high-altitude operations, high-speed line-switching, or severe electrical transients, such as those induced by electrostatic discharge (ESD), lightning, and electromagnetic interference (EMI). It is also used to protect low-voltage systems, such as computer motherboards, keyboards, and other digital devices, from damage caused by voltage transients.

The SA90CA R0G TVS diode is specifically designed for protection of low-voltage systems, such as those found in portable computers, PDAs, and cellphones. It has an ultra-small form factor, allowing for placement even in tight-fitting spots on the motherboard and other circuitry. Additionally, the SA90CA R0G uses advanced junction thermal switching technology, which enables it to continually monitor and protect against voltage transients.

Working Principle

The SA90CA R0G utilizes a unidirectional working principle which enables it to protect against voltage transients. The device works by sensing an incoming voltage transient and providing a low-resistance path of discharge for any excess electrical energy. This ensures that any over-voltage is discharged safely, while the normal operating voltage of the protected system is maintained.

When not subject to an over-voltage condition, the SA90CA R0G acts like a normal diode, with a very low forward-bias voltage drop. When an over-voltage condition is detected, the device enters breakdown mode and provides a low-resistance path to protect the underlying circuitry.

The SA90CA R0G also employs advanced junction thermal protection switching technology which constantly monitors the temperature of the diode junction. If the junction temperature exceeds the temperature limit of the device, the diode will enter into thermal shutdown mode, further protecting the underlying circuitry from over-voltage transients.

In summary, the SA90CA R0G is an ultra-small unidirectional TVS diode specifically designed for protection of low-voltage systems, such as motherboards and other digital devices. It utilizes a low-resistance path of discharge to safely protect against voltage transients, and employs advanced junction thermal switching technology to further protect systems from damage caused by extreme temperature conditions.

The specific data is subject to PDF, and the above content is for reference