V12MLA0805LWA

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TVS - Varistors, MOVs, has a range of application fields and a unique working principle. It is widely used in a variety of high-voltage power applications. One such example of an application field is in surge protective applications. The V12MLA0805LWA is designed to handle low-profile and over-voltage surge protection on low-power AC power and low-power DC power circuits. By connecting the device in parallel with the protected circuit, it provides protection currents to divert transient surges away from the protected circuit.

The V12MLA0805LWA works on the principle of an Avalanche effect which is based on the concept of a reverse bias diode. The diode is held in a reverse bias condition by increasing the voltage on the diode\'s anode until the breakdown voltage (VB) is exceeded. At this point, due to the increased electric field, the free electrons in the material of the diode tunnel into a conducting area of the crystal lattice. This results in an increase in current due to this injection of carriers, resulting in the Avalanche effect.

When a surge is applied to the V12MLA0805LWA, the resulting current will exceed the device\'s breakdown current which results in a full breakdown of the device. Once breakdown has occurred, the current across the output will be limited to a maximum value, as specified in the manufacturer\'s data sheet. This current will be maintained until the voltage is reduced below the specified maximum.

The V12MLA0805LWA features an integrated electrostatic discharge (ESD) protection diode for protection against transient over-voltage surges caused by electrostatic discharges and lightning. The device also includes an internal temperature protection function which shuts down the device if the current exceeds the maximum operating current or if the device temperature rises to a certain threshold. This can help to protect the device from over-heating and thus prolong its service life.

The V12MLA0805LWA is designed for low-power AC and low-power DC power applications. It is available in various circuit configurations for mounting on printed circuit boards or through hole mounting in a wide range of applications such as a surge protective device in power supplies, telecom systems, computers, consumer electronics, etc. It is also designed to be compatible with commonly used semiconductor components and the operating temperature of the device can be extended by up to 150ºC with the inclusion of a temperature compensation diode.

The V12MLA0805LWA has a wide range of application fields and a unique working principle which helps to provide protection to various low-power AC and low-power DC power circuits. The device is designed for low-power circuits and provides protection against surges and electrostatic discharge caused by lightning and other transient over-voltage surges. It also features an internal temperature protection function which can help to extend the device\'s service life.

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