V481HB34

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Transient Voltage Suppressors (TVS) are electronic components used to protect electrical circuits from short or long-term overvoltage events. The most common types of TVSs are Varistors, Metal Oxide Varistors (MOVs), and TVS Diodes. V481HB34 is a Metal Oxide Varistor (MOV) manufactured by Vanguard Corporation, specifically designed to detect and suppress overvoltage transients.

The V481HB34’s main purpose is to perform as an overvoltage surge protection device (SPD). This device is designed to protect the system from transient voltage spikes which can occur during normal operation, whether it be from switching regulators, lightning strikes, or other sources. It uses metal oxide movement technology to provide overvoltage protection and suppress transient voltages up to 600V.

V481HB34 can be used in a wide variety of applications, such as AC/DC switch mode power supplies, communication systems, industrial machinery, automotive electronics, etc. It can be used to protect a variety of sensitive equipment, such as operation pipelines, RTU, computers, programmable logic controllers (PLC) and other electronics from transients. This device is also used in various consumer electronics, such as TV and DVD players, cameras, digital audio players and navigation systems.

The V481HB34 works by using a NTC resistor in combination with a MOV which is connected in series with the protected circuit. The MOV absorbs the voltage spikes while the resistor dissipates the energy, allowing the current in the circuit to stay within acceptable levels. It is designed to stay in the off-state for most normal operating conditions but will quickly switch on when the voltage reaches a certain threshold.

When the voltage on the line exceeds the threshold, the MOV will quickly switch on and redirect the transient to ground. This allows the voltage on the line to remain within the desired limits and protects the sensitive components from damage due to overvoltages. The V481HB34 is designed to be able to handle up to 600V for up to 30A, ensuring it is suitable for a wide range of applications.

The V481HB34 is a high-quality MOV from Vanguard Corporation which offers superior protection capabilities compared to traditional MOVs. Its ability to handle large transients and its rapid response time make it an ideal choice for overvoltage protection. It is also relatively inexpensive, making it a good option for a wide range of applications.

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