MLVB04V18C001 Circuit Protection

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TVS (Transient Voltage Suppressor) components are essential components in today’s electronics. TVSs protect components against voltage transients that may exceed the component’s power rating or cause possible damage. The types of TVSs include varistors, MOVs, Semiconductor TVSs (diode type), as well as FET-type TVSs.

In this article, we will discuss MLVB04V18C001, which is a Varistor TVS. Varistors are also known as voltage dependent resistors (VDRs). They are non-linear and bidirectional devices, and their AC electrical characteristics show a wide range of current values that can be effectively absorbed in a limited voltage range. They can effectively limit and absorb overvoltage transients, making them ideal for protecting sensitive electronic components.

Application Field: MLVB04V18C001 Varistor TVS can be used in a variety of applications that require the suppression of transients. Such applications include power supplies, surge protection, transient voltage suppression, clamping, and clamping applications. It is especially suitable for devices in unstable electricity environment, such as lightning protection, high-frequency signal suppression, power line and communication line surge protection. It can also be used in industrial equipment, communication power supplies, and automotive and motor applications.

Working Principle: The MLVB04V18C001 Varistor TVS works by providing a low impedance pathway from the high voltage to ground in the presence of transient overvoltages. It works by changing its resistance according to the amplitude of the voltage. When the amplitude of the voltage is low, the varistor provides a low resistance pathway, allowing the voltage to reach ground. When the amplitude of the voltage increases, the varistor provides a high resistance pathway, causing the voltage to be diverted to ground. This prevents the overvoltage from reaching and damaging other components.

The MLVB04V18C001 Varistor TVS is also designed with a low clamping voltage, which means that it can start clamping the voltage at much lower voltages than traditional TVS components. This allows it to protect components from lower voltage transients, making it ideal for sensitive electronics.

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