V5.5MLA1206NHAUTO

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V5.5MLA1206NHAUTO is an automated AC segment varistor of KDK. It is categorized as a transient voltage suppressor or TVS device, as are metal oxide varistors, or MOVs. Essential differences among these devices lie in their overall electrical characteristics, the type of protection they provide, and when they are best used in a power supply.

V5.5MLA1206NHAUTO is an outer-direction bi-directional varistor, which is suitable for use in AC protection applications. It has the features of miniaturization, low operating and clamping voltage, low parasitic inductance, low capacitance, and fast response. This device is especially suitable for the same line and adjacent side line of protection. Commonly used in power supplies, it is preferred by many due to its high surge current, high current carrying capacity and low leakage current, among many other advantages.

The main difference between V5.5MLA1206NHAUTO and other types of TVS is that it employs a constant current reverse-voltage breakdown characteristic. This means the device keeps conducting current once it exceeds a specified voltage. This design helps prevent transient events, such as electrical surges, that may otherwise cause irreparable damage to the system. As a result, it is a great choice for sensitive applications, such as power supplies, and for areas exposed to high-voltage transients, such as automotive systems.

The working principle of V5.5MLA1206NHAUTO is fairly simple. When a voltage is applied to the device, the metal oxide layers start to conduct current. When the current reaches the rated value, the positive temperature coefficient of resistance (PTCR) of the substrate begins to increase, forming a resistive buildup in series with the metal oxide layers. This results in a decrease in the forward current, thus diminishing the number of available electrons for the avalanche process. In other words, the high current limitation of the metal oxide layers provides a protection function and helps suppress surge currents, which can cause a corresponding voltage rise in the line.

In practice, TVS such as V5.5MLA1206NHAUTO can be used to protect against overvoltage and short circuit events, and to reduce the risk of physical damage to the system from electrical surges. It can be used in a variety of applications, including power supplies, AC motor starters, lightning protection systems, and battery backup systems. In addition, it is typically used as the primary source of protection in computers, TVs, and other sensitive electronic equipment.

In summary, V5.5MLA1206NHAUTO is a sophisticated automated AC segment varistor, specifically designed for AC protection applications. Its important features, such as high surge current and low parasitic inductance, make it a preferred choice for many power supplies. It works by utilizing a constant current reverse-voltage breakdown characteristic, which helps suppress surge currents and thus prevent transient events from causing irreparable damage to the system. V5.5MLA1206NHAUTO can be used to protect against overvoltage and short circuit events, and to reduce the risk of physical damage to the system from electrical surges.

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