V120CH8T Circuit Protection

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V120CH8T is a type of transient voltage suppressor (TVS) that belongs to Varistor,s MOVs category. It is a component designed to protect an electronic circuit from overvoltage transients that may exceed the normal operating power supply voltage range of the circuit. This type of device is important in certain types of industrial and consumer electronics, such as solar charge controllers and power converters, to protect components from potential damaging voltage transients.

The working principle of the V120CH8T is similar to that of typical Varistors and MOVs. It has bidirectional transient voltage suppressing performance with excellent surge capability. This device has a voltage range of -8V to +120V. When the device is exposed to an over-voltage beyond the normal operating parameters of the circuit, the device starts conducting current.

Once the voltage reaches its clamping voltage, the current carrying capacity of the V120CH8T increases very quickly, warming up the device to its operating temperature. As it dissipates the energy of the transient overload, the current decreases and the component goes back to a quiescent state. This device is similar to a fuse, but can operate many times faster, limiting the duration and the magnitude of the transient.

The V120CH8T is used primarily in industrial and consumer electronics applications. It can be used to protect components such as voltage regulators, control panels, inverters, and switching power supplies in these applications. It can also be used to protect enclosed systems from lightning strikes as well as from short circuit events. The device has a low leakage current, making it ideal for sensitive circuits.

The V120CH8T, as compared to other types of transient voltage suppressors, is exceptional in terms of efficiency, surge current, and power dissipation. The device has a relatively fast response time to transients, which makes it suitable for applications requiring a fast response time. Additionally, its high energy capability makes it suitable for protecting against large transient surges.

To ensure that the V120CH8T is able to function properly, it should be placed as close as possible to the source of transients and connected in series with the protected circuit and ground. Soldering the connection to a copper heat sink will improve the device’s performance and ensure its long-term reliability. Proper heat dissipation is also essential for the device to remain reliable.

In conclusion, the V120CH8T is a type of transient voltage suppressor that belongs to the Varistors, MOVs category and is designed to protect sensitive electronics from transient overvoltage events. It works on the principle of clamping voltage and dissipating the energy of the transient overload. It is typically used in industrial and consumer electronics applications and has a low leakage current and fast response time. Proper heat dissipation and a correctly wired connection are essential for optimal performance of the device.

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