V420LA10PX2855

TVS (Transient Voltage Suppressors) - Varistors, MOVs, are an essential component in a power system board and in high-voltage applications. They provide a reliable and economical solution to protect sensitive electronic components against overvoltage and overcurrent.

The V420LA10PX2855 Transient Voltage Suppressor (TVS) is a full gap series, unidirectional device, designed specifically for DC protection using hard current or transient surge current. This device is designed to be used with a standard, single phase AC mains power supply. The V420LA10PX2855 is ideal in applications with high power signals, such as in medical and automotive equipment, measurement instruments, and communication and control systems.

Application Field

The V420LA10PX2855 is an ideal device for voltage and current protection. It provides a low clamping voltage in the presence of high energy transients, with the ability to handle power levels up to 2850V – 7.5A, with a maximum clamping voltage of 56V. This device is compatible with multiple materials, including aluminium and polyethylene, and features a high operating temperature range of –40°C to +125°C.

The V420LA10PX2855 can be used to protect a wide variety of equipment including medical, automotive, measure instruments, communication and control systems. It is also suitable for protection against voltage spikes and electrostatic discharge in many automatic control systems.

Working Principle

The V420LA10PX2855 is a full gap series, unidirectional device. It is designed to protect electronic components from transient (or high energy) voltages and currents. This protection is provided by the varistors’ connecting plate acting as a conductor between the two source sides, with a resistor in series. When a voltage or current spike (or surge) occurs, the varistor’s metal oxide rapid semiconductor material absorbs the energy and conducts it via the linking plate. This energy is then diverted safely to the ground, and away from sensitive components.

The V420LA10PX2855 also features a built-in resistor that prevents damage to the varistor under normal operating conditions. This resistor should not be under-rated in order to ensure the best possible protection. The resistor must be able to handle the full energy level of the movers and must be sized appropriately for the varistors’ mounting configuration and application.

The V420LA10PX2855 is also able to handle high power signals, making it ideal for a variety of applications. The high resistance mantle material used in this device allows it to safely absorb high energy transients while keeping the varistor stress free and preventing any damage.

The V420LA10PX2855 is a robust and reliable device that offers superior protection against transient voltages and currents. It is able to absorb high energy transients and divert them safely away from sensitive components while offering a low clamping voltage and a high operating temperature range. This device is suitable for a wide range of applications, and is the perfect solution for protecting sensitive electronic components against overvoltage or overcurrent.