V14E420P Circuit Protection

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TVS (Transient Voltage Suppressors) devices, such as Varistors, MOVs (Metal Oxide Varistors), and TVS diodes, are protection components designed to protect circuits from overvoltage transients or surges. They are designed to clamp the voltage to a preset level, allowing for greater margin of safety for the connected circuitry.

A 14E420P varistor, manufactured by Comchip Technology, is a bidirectional metal oxide varistor designed for transient voltage protection. The 14E420P is designed with a wide operating voltage range and robust surge handling capabilities, making it suitable for a variety of applications. It has a maximum peak pulse current of 420A with a peak pulse power rating of 10KW, and is available in 4.7 to 10mm disk sizes.

The 14E420P is typically used in high voltage equipment such as industrial automation, power supplies, and motor drives that require protection from transients or surges. It can also be used in lighting systems, LED lighting, and automotive components. In addition, it is suitable for other electronic applications that require fail-safe protection from damaging overvoltage transients.

The working principle of the 14E420P involves dissipating energy created by transient voltage surges by using its internal capacitive storage mechanism. It works by clamping the voltage above the breakdown voltage of the varistor to a preset level. It is able to clamp the voltage to this level quickly, thereby preventing an overvoltage surge from damaging connected circuitry. The 14E420P also has excellent surge handling capabilities, making it suitable for multiple applications requiring maximum protection.

The 14E420P is constructed using a metal oxide varistor (MOV) element. The MOV is made up of components such as zinc oxide and electrodes. When subjected to a sudden voltage increase, the MOV will be able to dissipate the energy created by the surge quickly. This is due to its capacitive storage mechanism, which allows for high-speed voltage clamping. The MOV is also able to absorb a large amount of energy, making it capable of handling multiple voltage surges.

The 14E420P has excellent surge capability and provides reliable protection for connected circuitry. It can handle transient voltage surges of up to 10KW, making it suitable for a variety of applications requiring high voltage protection. Its small size and robust design make it an ideal choice for high voltage equipment, LED lighting, automotive components, and other applications requiring fail-safe protection.

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