V07E95P

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TVS (Transient Voltage Suppressors) and MOVs (Metal Oxide Varistors) are two components that can be used to protect circuits from over-voltage. TVS and MOVs have comparable electrical properties and, in most cases, are used for similar applications. However, it is important to understand the differences in their working principle to be able to make the right decision when selecting one for a specific application.

The V07E95P is one example of a TVS or MOV, and it can be used in a variety of applications. It is an over-voltage protection device designed to absorb surges and protect the integrity of the circuit from transient voltage rises. The V07E95P can be used to protect microcontrollers, ICs, and other components from damaging over-voltage conditions in both AC and DC applications.

The working principle of the V07E95P is similar to all other TVS/MOVs. It essentially functions as a voltage-dependent resistor, with a low dynamic resistance that increases with voltage. When the voltage applied to the device reaches the Clamping Voltage (Vc max), the resistance of the device increases sharply, effectively limiting the voltage that can be applied to the downstream equipment.

The V07E95P consists of two parts: the Varistor and the PTC Resistor (Positive Temperature Coefficient Resistor). The Varistor functions as a voltage-dependent resistor and is designed to respond quickly to voltage surges. It consists of a ceramic encased in metal that has an internal structure that changes its electrical resistance with increasing voltage. The PTC Resistor functions as an over-current protector and limits the current across the device. It consists of a thermally activated switch that increases its electrical resistance with increasing current.

When the V07E95P is exposed to a voltage surge, the combination of the Varistor and the PTC Resistor will effectively limit both voltage and current to protect the downstream components. The Varistor will absorb the voltage surge, and the PTC Resistor will limit the current, preventing the surge from damaging the components.

In summary, the V07E95P is a TVS or MOV designed to protect circuits from over-voltage. It functions as a voltage-dependent resistor, with a low dynamic resistance that increases with voltage, and its internal components (Varistor and PTC Resistor) effectively limit voltage and current surges to protect downstream components.

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