EZJ-PZV120GA Circuit Protection

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The EZJ-PZV120GA is a Transient Voltage Suppressor (TVS) used widely across many industries, as a protection device against voltage surges. This model is classified as a Varistor, which is a nonlinear device that has an electrical resistance that changes with the voltage applied, which is also known as a Metal-Oxide Varistor (MOV) or Voltage Dependent Resistor (VDR).

The device is designed with a “surface-mount” design, making it an ideal choice for dense circuit board layouts, and its operating temperature range from -55 to +125 °C makes it suitable for a wide range of applications. It’s also designed with a heat-resistant element, allowing it to dissipate up to 10 Watts of energy.

In terms of its electrical properties, the EZJ-PZV120GA is rated at a maximum working voltage of 600V and holds peak pulse power of 360W. In addition, it has a rated surge current of 1.2KA (8/20μs) and can absorb up to 2000J of energy in an 8/20μs spike.

The primary working principle of the EZJ-PZV120GA is that of a current limiter. This is due to its resistive element, which limits the current flow by increasing in resistance when the voltage applied is at or above its rated working voltage. This causes the current to be diverted away from the system, thus protecting it from any voltage surge.

The device’s protective capability can be seen in its DC-level characteristics. It has a maximum allowed DC override of 1mA of continuous current and 8mA of pulse current. This means that the device can handle up to 8mA of current in a surge situation for a 20μs period, thus acting as an effective short-circuiting protection device.

The great advantage of the EZJ-PZV120GA is its excellent surge protection characteristics. It is rated to absorb up to 2000J of energy in an 8/20μs spike, making it suitable for medium-level surges. In addition, the device is able to conduct discharges of up to 10A for a short period of time, making it even more reliable and robust.

Finally, the device also offers great features in terms of its environmental stability. It can function in temperatures ranging from -55°C to +125°C, and in humidities ranging from 90% to 95% non-condensing. Not only that, but because of its construction, it is highly resistant to shock and vibration.

In conclusion, the EZJ-PZV120GA is an ideal product for protecting systems against transient voltage surges. It combines excellent surge protection characteristics, a wide range of environmental stability, and robustness, making it suitable for a wide range of applications.

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