VE0603M300R004

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Transient Voltage Suppressors (TVSs) are one of the essential components that are used to control voltage transients such as caused by electrostatic discharge (ESD), lightning, and switching transients.

A Varistor (Variable Resistor) is a type of TVS that is usually constructed from metal oxide semiconductor (MOS) materials. Designed as a nonlinear device, they act as voltage-dependent resistors, whose resistance decreases rapidly when a certain voltage threshold is exceeded. In other words, a Varistor can be thought of as a reverse-biased diode with a large area-to-width ratio, which enables it to provide a clamping voltage.

A Metal Oxide Varistor (MOV) is an increasingly common type of Varistor, which is specially designed to maintain its electrical characteristics over a wide temperature range. Typically, it is built using zinc oxide (ZnO) material and covered with a flame-retardant epoxy resin. It usually exhibits a low dynamic resistance and wide clamping voltage range.

The VE0603M300R004 is a multi-layered Metal Oxide Varistor, which is designed for use in applications that require ESD, lightning and switching protection. It is a RoHS compliant component with a working voltage range of 250VAC and a clamping voltage of 340V.

The working principle of the VE0603M300R004 is based on the fact that it is composed of multiple layers of zinc oxide (ZnO) material, which effectively absorb and dissipate the voltage due to the low rate of change in impedance. As a result, the component effectively limits the voltage surge before it can reach the protected circuits. This in turn makes it ideal for use in high-speed signal lines and power lines.

In addition, the VE0603M300R004 is a high-performance component with excellent capacitive and ESD performance. It also offers low leakage current, high pulse current, and excellent surge current clamping characteristics, which make it suitable for use in a variety of circuits.

The most common applications of the VE0603M300R004 includes ESD protection for high-speed signal lines, switch boxes and power lines. It is also used to protect consumer electronic devices such as cell phones, laptops and tablets, from damage due to voltage transients. Furthermore, it can also be used for surge limitation in automotive electronics and telecommunications equipment.

In conclusion, the VE0603M300R004 is a multi-layered Metal Oxide Varistor that is designed for use in applications that require ESD, lightning and switching protection. It is a high-performance component with excellent capacitive and ESD performance, which makes it suitable for a variety of applications, from consumer electronics to automotive electronics and telecom equipment.

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