ERZ-VS34C201

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A varistor is an electronic component with a property known as voltage dependent resistance (VDR). It is a non-linear device, meaning that its electrical resistance is not constant with respect to the voltage across it. The resistance of a varistor decreases with increasing voltage and increases when the voltage decreases. This means that it can act as a voltage regulator, and is often used to protect circuits from overvoltage. The ERZ-VS34C201 is an example of a varistor.

The ERZ-VS34C201 is a voltage supressor varistor manufactured by EPCOS. It is designed to provide protection against overvoltage and other transient surges. It is a medium power varistor with a capacitance of 201V and a rated voltage of 400V. The rated current of this varistor is 5.4A. It also has a maximum peak current of 25A.

The ERZ-VS34C201 has a variety of applications. It is commonly used in power supplies, mobile phone chargers, industrial equipment, LED lighting, and other electronic devices. It is also used in automotive electronics, such as engine control units and electric window regulators. It is especially useful in automotive applications due to its ability to withstand high surge voltages and currents.

The working principle of the ERZ-VS34C201 is based on the Zener diode principle. When voltage is applied, the device acts as a diode and the current is limited by the diode. If the voltage exceeds the breakdown voltage of the device, the diode will start conducting, and the current will flow in a negative direction. This protective circuit created by the ERZ-VS34C201 prevents excessive current from damaging the load.

The ERZ-VS34C201 is designed to provide protection from the most common types of overvoltage conditions, such as lightning or other transient surges. It is a surface mount device and is designed with an integral overvoltage protection circuitry. This circuitry allows it to operate over a wide range of voltages without causing any damage to the connected equipment.

In summary, the ERZ-VS34C201 is a voltage suppression varistor manufactured by EPCOS. It has a capacitance of 201V and a rated voltage of 400V. The ERZ-VS34C201 is designed to provide protection from overvoltages and other transient surges, and has a variety of applications in power supplies, mobile phone chargers, industrial equipment, and LED lighting. It is based on the Zener diode principle and is designed with an integral overvoltage protection circuitry. This makes it an ideal choice for automobile electronics, engine control units, and electric window regulators.

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