ERZ-E14A511

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TVS - Varistors, MOVs

The ERZ-E14A511 is one of the most popular varistors on the market today. This device is a monolithically integrated metal oxide varistor (MOV), also known as a Thyristor surge suppressor. This varistor is designed to protect sensitive electronic components from power surges and transients.

The ERZ-E14A511 is a three-leg, four-terminal device capable of protecting against large, fast transients, like electrostatic discharge (ESD). It is an axial leaded device with good derating characteristics that can handle high voltage and current. The device is capable of operating within an extended temperature range from -55°C to 125°C, and is UL recognized and RoHS compliant.

The ERZ-E14A511 is ideal for a variety of applications, including electronic equipment, automotive electronics, power supplies, and telecommunications. Thanks to its low capacitance it also performs well in high speed data line protection applications, such as USB and IEEE 1394 ports.

The working principle of the ERZ-E14A511 revolves around the concept of a voltage-based temperature coefficient. This means that the device contains a thin film of material that has a negative temperature coefficient. When the voltage across the device increases, its temperature increases. When the temperature exceeds a certain threshold, the thin film will break down causing the device to short circuit, effectively diverting the current away from the sensitive components.

This is why the device is referred to as a “surge suppressor”. When the surge hits the device, it shorts itself out to limit the current and prevent it from reaching its destination. This allows sensitive electronics to stay safe from damage even with a strong surge or transient.

In summary, the ERZ-E14A511 is a highly effective surge suppressor that is suitable for a variety of applications. It is particularly useful in protecting sensitive components from power surges and transients, thanks to its ability to short itself out in the event of a large surge or transient. This device is rugged and reliable, and is capable of operating in a range of temperatures from -55°C to 125°C. It is UL recognized and RoHS compliant, making it ideal for many applications.

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