V47ZC3P

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TVS (Transient Voltage Suppressors), Varistors, and MOVs (Metal Oxide Varistors) are electronic components used in power supply circuits as surge suppressors. These components are used to protect the power system and its components from various types of overvoltage conditions. The V47ZC3P is part of the series of Transient Voltage Suppression (TVS) devices developed by Littelfuse, a well-known manufacturer of circuit protection components. It is designed to protect solid-state components and systems from destructive transients generated by Electrostatic Discharges (ESD), Electrical Fast Transients (EFT), and Lightning Induced Transients (LIT).

The V47ZC3P is a bi-directional, Low Capacitance, axial leaded ESD Suppressor designed to be used in applications where high reliability is critical. It provides a robust, three terminal suppression component that will meet the requirements of MIL-STD-1686, Class 3 Speed 1 requirements. The V47ZC3P is designed to be used in environments where it is necessary to protect circuits from high-voltage transients while not increasing the capacitance of the circuit.

One of the benefits of the V47ZC3P is the fact that it is bi-directional and can handle both Positive and Negative transients. It is capable of suppressing voltage surges up to 40 V in either direction. This means that it is able to protect circuits from high voltage transients from both the input and the output. It also has a very low Clamping Voltage, meaning that it will only let a very small amount of transient energy pass through to the circuit. It also has very low leakage current, ensuring that the circuit is not exposed to excessive amounts of power.

The working principle of the V47ZC3P is based on a Zener diode / Varistor combination. A Zener diode is a semiconductor diode that will allow current to pass in either direction, depending on the voltage applied to it. The Varistor, on the other hand, is a non-linear, solid-state electrical device that will act like a resistor when low currents are passed through it, but will have a behavior similar to a switch when larger currents are applied. When a transient occurs, the Varistor will become very conductive and will draw a large amount of current, which will absorb and dissipate the energy generated by the transient, protecting the power system and its components.

The V47ZC3P is designed for use in ESD, EFT, and Lightning protection application environments, where high reliability and low capacitance is required. It is an ideal solution for applications such as Industrial, Automotive, Telecommunications, Heavy Equipment, and Data Acquisition. This is due to its bi-directional capability, low capacitance, low leakage current, and low clamping voltage. It can be used to effectively protect against high voltage transients, allowing for increased reliability of power systems.

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