V420LU10P

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TVS (Transient Voltage Suppressor) devices, MOVs (Metal Oxide Varistors) and other varieties of surge protectors are in widespread use today. They are commonly used to protect electronic circuits from transient overvoltage events, such as lightning strikes or power spikes. The V420LU10P is a popular varistor that is used in a variety of consumer electronics applications. In this article, we will explore the applications and working principle of the V420LU10P.

The V420LU10P is a radial leaded moveable varistor in a can-shaped configuration. It is designed to protect low-voltage circuits from transient electrical events such as lightning strikes, power surges, and electrostatic discharge (ESD). The device features a wide operating temperature range (-55  °C to 125  °C) and is rated for a maximum clamping voltage of 420V and a nominal operating voltage of 10pF. The device also offers a low incremental surge current (+/- 1A) and an excellent power dissipation capability.

The V420LU10P has a variety of applications in consumer electronics. It is commonly used to protect wireless router and LAN equipment from transient overvoltage events. It can also be used in LED lighting circuits to guard against damage due to transient events. Additionally, the V420LU10P is widely used in automotive applications. Its protection characteristics make it an ideal choice for protecting radio circuits, dashboard LCDs, and other vehicle electronics.

The working principle of the V420LU10P is related to its structure. The device consists of a metal oxide granular core surrounded by a metal case. During an overvoltage event, the metal oxide varistor functions as a short circuit, connecting the over-voltage point to ground. The current passes through the device, dissipating the harmful energy in the form of heat, while also clamping the voltage level to a safe level that does not harm the connected electronic circuits.

Once the event is over, the metal oxide returns to its non-conductive state and the device is reset for the next event. The varistor’s clamping characteristic makes it an effective form of protection for low-voltage electronic circuits, as the voltage can be limited to a safe level before it reaches the connected device.

In summary, the V420LU10P is a radial leaded moveable varistor that is designed to protect low-voltage circuits from transient electrical events. It is well-suited for use in a variety of consumer electronics applications, as well as for automotive applications. The working principle of the V420LU10P involves utilizing its metal oxide varistor to clamp the voltage level to a safe level during an overvoltage event before it reaches the connected device.

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