V82ZA4P

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS – Varistors, MOVs are essential components in the construction of electrical networks and devices. The V82ZA4P is an advanced, highly reliable protective device for high voltage transients. It is specifically designed for Pulse energy protection and is primarily used in high-power switch-mode power supplies (SMPS) such as Point-of-Load (POL) converters and high-frequency switch-mode DC/DC converters.

The V82ZA4P has a wide operating voltage range suitable for most high resistor networks. It is an integrated circuit comprised of two center elements, a special Zener diode and a metal oxide Varistor (MOV). The Zener diode is used to trigger the MOV, and the MOV is then used to suppress the very fast rise in voltage that can occur in half or full wave peak or valley designs.

In operation, the Zener diode is designed to trigger the MOV at a specified operating voltage (also known as the “on voltage”). The use of the Zener diode instead of the traditional silicon control rectifier (SCr) allows for a more reliable triggering mechanism. The MOV will then shunt the current, diverting it away from the device. At higher voltage levels, the MOV will shunt the power away without subjecting the circuits to excessive current levels.

The MOV will remain in this state until the voltage level drops below the “off voltage”, which is set by the device’s design. At this point, the MOV will then discharge the excess energy and return the voltage level to a safe level. This type of protection is referred to as “power line conditioning”, and it is used to help reduce the chance of damage from over-voltage spikes and surges.

The V82ZA4P can also help to protect the circuits connected to it from EMI (electromagnetic interference) and ESD (electrostatic discharge). This is accomplished by the MOV clamping the voltage when an EMI or ESD pulse is detected, and also by the Zener diode absorbing part of the EMI or ESD pulse.

The V82ZA4P provides an integrated solution for power line management in high voltage circuits such as Point-of-Load and DC/DC converters. Its reliable triggering and protection capabilities help to ensure the stable operation of high voltage circuitry.

The specific data is subject to PDF, and the above content is for reference