V48MLA1210H Circuit Protection

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Transient voltage suppressors (TVS) are the components of an electrical circuit designed to protect against overvoltage from potential sources, such as electrostatic discharge or lightning, which can damage the circuit. Varistors, also commonly referred to as voltage dependent resistors (VDRs or MOVs), are the most common form of TVS. V48MLA1210H is an example of a radial leaded VDR.

The V48MLA1210H is a metal oxide varistor, or MOV, which is a two terminal, nonlinear semiconductor component. The device is available in a 40mm radial leaded disc form with terminations made of tin-plated copper and an epoxy resin coating over the entire body. The V48MLA1210H has an operating voltage of 6V-420V and a rated maximum surge current of 42kA. The clamping voltage is 800V at 8/20µs with a maximum capacitance of 1.07pF.

MOVs serve a variety of applications, including power and data line protection, communications in electronic circuits, and protection against overvoltages from lightning or other sources. The V48MLA1210H is designed to provide overvoltage protection in high voltage and high current applications. As such, it can be used in power lines, data lines, digital and analog circuits, as well as other high-voltage applications. It is also designed to provide surge protection for LCD displays, LEDs, and other components.

The working principle of MOVs is based on the fact that the resistance of a MOV changes with changes in applied voltage. The device has a voltage sensitive region – known as the “varistor region” – between its end terminals. When the applied voltage exceeds the threshold value of the varistor region, the resistance of the MOV decreases significantly, resulting in a large current flow through it, thereby protecting the electrical circuit from overvoltage.

The V48MLA1210H is designed to reduce voltage spikes and transients. The device has a low internal capacitance and a low thermal impedance, which allows it to respond quickly to overvoltage and transient events and provide excellent protection for the circuit. The device also has a high breakdown voltage and can handle a large amount of energy.

In summary, the V48MLA1210H is a radial leaded VDR designed to provide overvoltage protection for various applications. The device is capable of handling large amount of energy and can quickly respond to transient events. The device is suitable for applications such as power lines, data lines, digital and analog circuits, and LED and LCD displays.

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