ERZ-E11B431CS Circuit Protection

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TVS (transient voltage suppressors) and MOVs (metal oxide varistors) are two device types used in circuit protection applications to protect against damage caused by transient voltage surges. Both types of devices are based on the phenomenon of energy absorption, that is, when the device\'s electrical characteristics change in response to high voltage or current surges. While both devices are designed to protect against transient voltage or current surges, TVS devices are used against higher voltage, higher frequency or higher energy surges while MOVs are utilized against lower voltage, lower energy or lower frequency transients.

The ERZ-E11B431CS is a TVS (transient voltage suppressor) designed specifically for applications requiring protection against relatively high energy transients, such as those generated by automotive and other automotive components. It is designed for common mode voltage protection in automotive applications as it can provide a high surge energy rating of 2000W (10/1000μs).

The ERZ-E11B431CS is built on a ceramic body, which ensures better heat dissipation and durability. In addition, the device has an ESD rating of 15kV, meaning it can effectively handle multiple, high voltage encounters. Moreover, this device is also designed to protect against lower level noise, with a careful circuit layout that ensures that the device does not pick up any external radiation.

The working principle of the ERZ-E11B431CS is fairly straightforward. In normal operating mode, when there are no voltage or current surges, the device\'s electrical characteristics remain unchanged. When the voltage or current pulse exceeds a certain threshold, the device’s electrical characteristics change. This change varied depending on the type of surge. Specifically, for transients, the device will start to absorb energy from the surge and dissipate it, thereby providing protection from irreversible damage.

In summary, the ERZ-E11B431CS is a special type of TVS device designed for automotive applications that require protection from high energy transients. It has a high surge energy rating of 2000W (10/1000μs) and can handle multiple, high voltage encounters. The device’s working principle is based on energy absorption, wherein it absorbs the energy from transients and dissipates it, providing protection against irreversible damage.

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