V390ZA05

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TVSs, Varistors, and MOVs are all important components in electrical circuits. The V390ZA05 is one of these components, used to protect alternating current (AC) applications, such as power supplies and lightning-protected equipment. This article will discuss the application field and working principle of this particular part.The V390ZA05 is a TVS (transient voltage suppressor) with a 5V peak surge rating. It’s a metal oxide varistor (MOV) designed for a wide range of AC voltages, from 8 to 500 volts, which are commonly found in most household electrical grids. It has a 3mm disc shape and is contained within an epoxy encapsulation, making it durable and resistant to physical shocks. The part is also very low profile, with a height of only 1.7mm, making it ideal for fitting into a variety of enclosure designs.The function of the V390ZA05 is to protect electronic circuits from voltage spikes that can cause damage or destruction. It does this by diverting the surge current in two directions away from the component, providing a common ground. This ground ensures that any voltage spike is limited by a controlled amount of current. As the current moves through the component it is gradually reduced until it reaches a minimal threshold, which protects the device from further damage.The working principle of the V390ZA05 is quite simple. When a voltage spike occurs, the component quickly redirects the current to both ends of the device, creating a common ground and limiting the amount of current that can pass through it. This current is known as the “clamping voltage”. Once the spike has been diverted and the clamping voltage has been reached, the device will not allow any further current to pass through it, protecting the component from further damage.The V390ZA05 can be used to protect a variety of AC powered applications, such as motor controllers, power supplies, electronic control units, and lighting installations. It is designed to handle both normal and abnormal surges, making it suitable for a wide range of applications. It is also UL Approved and RoHS Compliant, ensuring that it meets safety standards in both electrical and environmental safety.In summary, the V390ZA05 is a versatile transient voltage suppressor designed to protect a variety of AC applications from damage caused by voltage spikes. Its compact disc shape and low profile make it ideal for fitting into a wide range of enclosure designs. It has a 5V peak surge rating and is UL Approved and RoHS Compliant, ensuring it meets safety standards in both electrical and environmental safety. The V390ZA05 is an essential component for any AC powered application, and its working principle ensures that it will provide reliable protection for years to come.

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