EZJ-S2VB223 Circuit Protection

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Transient Voltage Suppressors (TVSs) are devices that protect other components and circuitry from voltage spikes. TVSs come in many configurations, and one type of device, called a Varistor - Metal Oxide Varistor (MOV), works by rapidly shifting resistance between two terminals in response to different voltages at the terminals. The EZJ-S2VB223 from Hegu Electronics, Inc. is an example of a MOV.

The EZJ-S2VB223 Varistor can be used in both commercial and industrial applications to offer protection against voltage spikes. Any time a single transient voltage, such as ESD or lightning, exceeds the Varistor\'s rated voltage, it reduces the voltage to its rated voltage, which is much lower than the applied transient voltage. This reduces the stress on the components and prevents them from being damaged.

The EZJ-S2VB223 is a surface-mount device with a low profile of 0.65 mm and a compact size of 1.0 mm x 0.75 mm, making it easy to mount on a printed circuit board (PCB). The device features a maximum capacitance of 0.50pF and a guaranteed breakdown voltage of 2.3V, making it ideal for preventing voltage spikes caused by electrostatic discharge. The temperature coefficient is also low, at -0.3%/C, allowing a wide operating temperature range (-55C to +125C).

The working principle of a Varistor is based on the effects of surface electric charges. When the voltage applied to the Varistor exceeds its value, the electric field near the surface of the device drastically increases. This causes the surface area of the Varistor to ionize and create a conducting path, thus reducing the voltage across the Varistor and its associated components. This process occurs in complete synchronization with the input signal, and thus no additional energy is dissipated as heat, allowing the Varistor to work without generating any additional heat.

The EZJ-S2VB223 is manufactured using a unique process that combines high-quality, low-resistance conductors and a specialized intermediate oxide layer that improves the varistor\'s characteristics. The device also features a proprietary center pin design, which minimizes voltage dependant capacitance and reduces the disconnection rate during current surges.

In summary, the EZJ-S2VB223 Varistor from Hegu Electronics, Inc. is a surface-mount device designed to protect circuitry from transient voltage spikes. It features a low profile of 0.65mm and a maximum capacitance of 0.50pF, making it ideal for electrostatic protection. The device also features a low temperature coefficient and a proprietary center pin design for improved performance. Finally, its unique manufacturing process ensures that it operates efficiently without generating any additional heat.

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