V30MLA0805LWA

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TVS – Varistors, MOVs, form one of the most common electrical protection devices and are used to protect electronic circuits, components or appliances against excessive overloads and transients such as lightning, electrostatic discharge (ESD) and voltage surges. The V30MLA0805LWA is a discrete TVS- Varistor that offers reliable overvoltage protection for sensitive electronic components.

The V30MLA0805LWA has an application field of industrial and consumer electronics, automotive and other power and signal applications. It provides a high level of protection against transient overvoltage, limiting or suppressing surge events up to 900W (8/20μ) or 600W (10/1000μ) peak pulse power.

The working principle of the V30MLA0805LWA is based on the phenomenon of “Metal-Oxide Varistor” (MOV), which is made up of a special ceramics and a semiconductor material. It acts as a bidirectional device with a very high level of insulation resistance up to 1000V, and presents a nonlinear electrical behaviour with a linear increase of its impedance as the voltage increases.

The device has two contact terminals, with an internal MOV mounted on an insulated substrate. When a small signal appears across the MOV terminals, it will not be affected. However, if an overvoltage transient occurs, the MOV will act quickly and clamp the voltage. This means that the voltage applied over the MOV will not exceed in any case a pre-defined threshold, regardless of the magnitude of the transient.

V30MLA0805LWA is designed to dissipate up to 200A during an 8/20μs surge waveform, and when the transient voltage exceeds the guaranteed minimum protection voltage, the device quickly normalizes to its high blocking state. The device features a fast response time which makes it ideal for consumer electronics applications, including automotive, computers & peripherals, UPS systems and home appliances.

In conclusion, the V30MLA0805LWA is a reliable overvoltage protection device for sensitive electronic components. The device provides a high level of protection and has an application field of industrial and consumer electronics, automotive and other power and signal applications. It works on the principle of "Metal-Oxide Varistor" (MOV), it provides a nonlinear electrical behavior with a linear increase of its impedance when the voltage increases, and it is able to dissipate up to 200A during an 8/20μs surge waveform.

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