SA5.0A-B Circuit Protection

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TVS (Transient Voltage Suppressor) Diodes are designed to protect electronic devices from voltage spikes caused by electrostatic discharge, inductive loads, or other transient voltage events. The SA5.0A-B is a unidirectional TVS diode typically used for ESD protection in applications such as data lines, routers, servers, and other telecom and consumer equipment.

The SA5.0A-B TVS diode has a stand-off voltage rating of 5 volts, which means it can protect a load up to 5 volts. The maximum clamping voltage is 8 volts, meaning it can dissipate up to 8 volts of energy. Additionally, the SA5.0A-B has a low leakage current of only 0.25 microamps, making it ideal for low-power applications. The device also features a very low capacitance of only 2.5 pico-farads, making it suitable for high-speed data lines.

The working principle of the SA5.0A-B is based on the charge stored in the semi-conductor when a voltage is applied. The charge is stored in the form of electrons and the device absorbs the excess current to prevent voltage spikes on a load. When the load voltage exceeds the device’s breakdown voltage, the stored energy is released. The basic idea is to clamp down the voltage by discharging the stored energy.

The SA5.0A-B has a wide range of uses. It is primarily used in communications networks for protection against ESD, lightning strikes, static electricity, and other transient voltage events. It can also be used for protecting data lines, external connectors, and other electronic components from damage caused by surges or other destructive events. Additionally, the device can be used to limit noise in power supplies and to protect sensitive electronics from malfunctioning due to voltage spikes.

The SA5.0A-B is a highly reliable device, capable of handling at least 2kV of ESD and up to 8 volts of clamping voltage. It is designed to operate in temperatures ranging from -55°C to 125°C, making it suitable for most applications. The device also features a very low leakage current, making it energy efficient and ideal for low-power applications.

In conclusion, the SA5.0A-B is a unidirectional TVS diode designed for ESD protection in communications networks and other electronics applications. It features a stand-off voltage rating of 5 volts, a maximum clamping voltage of 8 volts, low capacitance, and a very low leakage current. The device can handle up to 2kV of ESD, is designed to operate in temperatures ranging from -55°C to 125°C, and is highly reliable.

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