RV471K14T Circuit Protection

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Transient Voltage Suppressors (TVS) and Metal Oxide Varistors (MOVS) are two important components that are used as surge suppressors. TVS protect against voltage transients, while MOVs absorb the energy of a pulse, allowing excess voltage to bypass the device. The RV471K14T is a surface mounted Varistor that belongs to these categories. This component protects circuits in applications where power or data lines may be exposed to transient voltage or high voltage spikes. It is ideal for use in applications where high reliability and long product life are important, because it delivers reliable protection at a wide range of temperatures, and is ideal for applications where space is at a premium.

The RV471K14T is a varistor type that utilizes both MOVs and TVS elements. A typical application of the RV471K14T is for protection against voltage transients, which may be seen in USB data lines. It can also be used in industrial applications where DC power or data lines are subjected to transient voltages. In these cases, the varistor will protect the circuits by absorbing the energy from the voltage pulse, passing the current, and allowing excess voltage to be bypassed.

The RV471K14T has a working voltage of 14 VDC with a protection voltage of 35 VDC. It can withstand 1000 Watts of power for 10/1000 micro second pulses at 25°C. This part also has a low leakage current of 1uA maximum and is RoHS compliant. This enhancement of the standard RV471K14T productline provides higher protection voltage and better surge protection.

The RV471K14T\'s basic working principle is to provide protection against high voltage spikes which occur regularly in power lines. It uses 3 metal oxide varistors (MOVs) in a single package to provide a linear protective circuit. This device operates by absorption of the energy of a pulse, allowing excess voltage to bypass the device. It then redirects this voltage to a dissipative element such as a diode or resistor, which dissipates the voltage. This protection is usually necessary where circuits are exposed to transient voltages, as in USB data lines.

When choosing a Varistor for protection against voltage transients, it is important to select a device that has good response time, safeguarding the circuit against the surge without allowing it to pass, and good energy absorption rating, which determines the amount of energy the device can absorb without damage or overheating. The RV471K14T is particularly well suited to these applications, as it offers good response time and energy absorption ratings while still being very small in size.

The RV471K14T is a great choice for applications where power or data lines may be exposed to transient voltage or high voltage spikes, such as in USB data lines, DC power lines, and industrial applications. It has a wide range of protection voltage, offers great response time and energy absorption ratings, and is RoHS compliant. All in all, the RV471K14T is an ideal solution for providing protection against high voltage transients.

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