V9MLA0402LNR Circuit Protection

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Transient voltage surge suppressors, also known as TVS, are widely used in many electronic devices to protect them from voltage spikes which can cause catastrophic damage. The V9MLA0402LNR is a TVS device manufactured by Vishay, and is most commonly used in AC-DC power supplies. It is designed to reduce emittance of conducted and radiated ESD and is capable of withstanding voltage spikes up to 500V.

The V9MLA0402LNR is an MOV (Metal Oxide Varistor) that is constructed from zinc oxide granules mixed with a binder, encased in an encapsulating material. The MOV is essentially a voltage-dependent resistor that has a very high resistance when the voltage is below its knee voltage, and a very low resistance when the voltage is above this threshold. This enables the MOV to clamp away voltage spikes before they can cause damage to the device that it is protecting.

The device can be used to protect AC-DC power supplies from ESD and transient voltage surge events. It is designed to protect circuits up to 500V, and can handle load current up to 2A. It will limit the peak pulse current to 4A, and can also perform very well in harsh environments. The operating temperature range for the device is -55°C to +110°C, and it can survive up to 1000 cycles of surge current.

In addition to being used in AC-DC power supplies, the V9MLA0402LNR can also be used in other electronic devices, such as computers, telecom equipment, automotive electronics, audio-video equipment, industrial machines, and more. It is also usually preferred for protection against fast-transient pulses such as lightening strikes.

The V9MLA0402LNR offers a wide range of features that make it an attractive choice for TVS applications. It has a low capacitance, which is important in high speed applications, and it also has a low leakage current. It offers a high peak surge current capability, and its response time is fast enough to protect against ESD. Finally, it has a low leakage and high withstanding voltage which makes it ideal for use in various applications.

To sum up, the V9MLA0402LNR is a versatile TVS device that is mainly used in AC-DC power supply applications, but can also be used in other applications such as computers, telecom equipment, automotive electronics, and more. It provides a high level of surge protection, with a high withstanding voltage up to 500V and a peak surge current capability up to 4A. It is also capable of sustaining 1000 cycles of surge current, and has a fast response time for protection against ESD. The device also has a low capacitance and low leakage current, making it an ideal choice for high speed applications.

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