ERZ-C20EK391Y

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TVS (transient voltage suppressors) are used to protect electronic circuits from high voltages created by electrostatic discharge (ESD) and other sources. Varistors, MOVs (metal oxide varistors) and other TVS components can help absorb, divert, or otherwise attenuate transient voltage disturbances. The ERZ-C20EK391Y is a metal oxide varistor (MOV) designed for equipment protection against high voltage transients on both AC and DC lines. It was specifically designed for applications with limited space.

The ERZ-C20EK391Y has a high electro-thermal efficiency, making it well suited for applications that require a low-power solution. It also has an excellent surge current handling capability and is able to dissipate large amounts of energy in short time periods. It can be used in a variety of applications on AC and DC systems, such as: transient over-voltage protection on AC and DC lines in industrial control systems, lightning protection applications, and in consumer electronics.

The ERZ-C20EK391Y is designed to respond rapidly to transient voltage disturbances by clamping the voltage to a predetermined level. When the transient occurs, the voltage is clamped to the breakdown voltage of the varistor, allowing the current to flow through the device and effectively dissipate the energy. The clamping level is determined by the voltage-temperature characteristics of the varistor. The thermal energy created by the surge current can be dissipated by the device or transferred to an external heat sink.

The ERZ-C20EK391Y also provides excellent noise suppression capabilities, as it is designed to remain in a "on" state during large surges. This helps to stabilize the circuit\'s power supply and protect it from possible power supply interference caused by the surge. The varistor also has a fast response time, which means that it can protect the circuit from high voltage transients even before the voltage has started to rise.

Due to its small size and low cost, the ERZ-C20EK391Y makes it an ideal solution for many electrical systems such as industrial control panels, consumer electronics, and switch-mode power supplies. It also has an excellent surge current handling capability and is able to dissipate large amounts of energy in short time periods. This makes it a great choice for high-usage electrical systems where space is limited or where protection from high voltage transients is essential.

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