V20E50P

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Varistor – Voltage Dependent Resistors (VDRs) – are semiconductor devices used to provide protection against overvoltage transients and surge currents in a wide range of consumer and industrial equipment. V20E50P is a type of varistor manufactured by Littelfuse, Inc. and is widely used in automotive, aerospace, process control, medical, and communications applications.

The V20E50P is a fairly standard type of varistor, with a 20V rating and a 50pF capacitance. This means that it can withstand an input voltage of up to 20V, while providing a capacitance of up to 50pF. It is also made from a special type of metal oxide material which provides excellent protection against surge currents.

The V20E50P is designed to protect against voltage transients, or sudden, short-duration changes in the voltage. It does this by providing an “impedance” to the transient. In other words, it makes the transient more gradual, allowing the components of the circuit to remain protected.

The V20E50P works by “clamping” the voltage to within its rated voltage. This is done by providing a resistor in series with the circuit in which it is applied. When the voltage exceeds the rated voltage, the resistor draws current, which causes the voltage to “drop” or decrease. This reduces the surge current and keeps the voltage within the rated range.

The V20E50P can also be used for other applications such as noise reduction or signal conditioning. In this case, the varistor acts as a filter, allowing only the desired signal to pass while blocking out unwanted noise.

The V20E50P is a popular varistor in the VDR family because it is relatively inexpensive, easy to use, and provides excellent protection. It is often used in high-voltage circuits, automotive circuits, and other sensitive applications.

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