V20H510AUTO

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V20H510AUTO is an automotive-grade AC line voltage transient voltage suppressor (TVS). It is a gas-filled protective device, designed to protect against high-voltage transients and surges in electronic circuit. It is specifically designed for the automotive industry according to AEC-Q101 standards, and is suitable for both High- and Low-side applications in passenger and commercial vehicles. It is also suitable for most industrial applications.

The V20H510AUTO features a patented protective mechanism that combines two technologies: Automotive-grade surge video protector (MOV) and voltage-dependent resistor (VDR), to complete a multistage protection against transients. The V20H510AUTO provides both ESD (Electrostatic Discharge) and EFT (Electrical Fast Transient) protection. The ESD protection keeps sensitive components from damage due to electrostatic discharge, while the EFT protection helps protect against voltage transients caused by electrical overstress (EOS) events.

The V20H510AUTO is composed of two major components. The first component is the MOV, which acts as a valve to temporarily divert the excess energy during a voltage transient. The MOV also serves to limit the peak level of voltage transients that can be seen at the protected equipment. The second component is the VDR, which operates as a resistor to divert energy from the protected equipment during overvoltage conditions. This resistor will begin to conduct electricity at a predetermined voltage level.

Once the voltage exceeds the set threshold, the MOV will clamp the incoming voltage transient and the VDR will divert the extra power away from the protected load. The structure of the V20H510AUTO ensures that only the transient current is diverted away, while allowing for the normal voltage surge and surges to pass through.

The V20H510AUTO also has an overload protection mechanism to prevent overcurrents from occurring. This mechanism works by limiting the current passing through the protection device. If the maximum current rating of the device is exceeded, the TVS will go into current limiter mode, and the associated protected circuit will be disrupted until the voltage falls below the hard clamp voltage. Also, the device includes a thermal shutdown function that will activate if the temperature exceeds the maximum rated value.

Overall, the V20H510AUTO provides superior protection against voltage transients and overvoltage conditions, making it ideal for use in automotive applications where reliable performance is essential.

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