V82ZC4P Circuit Protection

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Varistors, more commonly known as metal oxide varistors (MOVs), are electronic components used to protect circuits from voltage spikes. The MOV is a voltage-dependent resistive device which can provide surge protection in a variety of applications. The V82ZC4P is a type of varistor designed for rugged environmental conditions. It can be used in a range of applications, including automotive, military and aerospace systems.The V82ZC4P is a non-linear resistor which can limit the voltage from excessive values across the power supply. It acts as a current limiting device, providing surge protection for circuit components by absorbing energy from overvoltage transient pulses, such as lightning strikes. The V82ZC4P is constructed of a zinc oxide formulation, making it robust and suitable for operating temperatures ranging from -35°C to +85°C.The V82ZC4P employs a two-stage protection mechanism: firstly the varistor limits transient impulses, then the zener diode suppresses any residual over-voltage at the terminals. This ensures the nominal circuit voltage remains constant, protecting components from over-voltage stress in the event of a voltage spike.The V82ZC4P has a wide operating range with rated currents from 50mA to 1A. The voltage is comparable to that of a zener diode and typically ranges from 6.8V to 400V, though it is important to note that this value will vary depending on the current applied and operating temperature.The V82ZC4P is available in various epoxy coating and pin configurations. The maximum power rating is dependent on the size, usually 20mW to 200mW. When connected in series with a load, the V82ZC4P will protect components from overvoltage, reducing the risk of a catastrophic failure.In conclusion, the V82ZC4P is a robust, reliable and cost-effective solution for protecting electronic circuits from transient over-voltage. It can be used in a variety of applications, including automotive, military and aerospace systems, and offers a wide operating temperature range and high surge protection capability. Its two-stage protection mechanism ensures the nominal voltage of the circuit is kept constant during a transient event, reducing the risk of damage to components.

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