20KPA256A

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TVS (Transient Voltage Suppressor) diodes are widely used to protect electrical setups from various forms of overvoltages. 20KPA256A is one such device that is used for a variety of applications. It can be used for varistor, clamping, facial protection, lightning protection, transceivers, ESD suppression, USB/IEEE1394, AC line transient protection, and telecom protection.

The 20KPA256A comes with an integrated SCR and Oxide Varistor with no external components required for its operation. It is a surface mount TVS diode with a glass passivated junction for fast clamping response and low capacitance. The device offers fast response time for response to transient voltage spikes. It is capable of handling spacing distances to ground as low as 2mm while operating at a maximum rated voltage of 12V. The device also offers great power dissipation and low leakage current.

The working principle of the 20KPA256A is fairly simple; when it experiences a surge or overvoltage, it quickly clamps the voltage down to a limit that the given application can handle. To do this, the device has an integrated SCR and Oxide Varistor. The SCR is basically an electronic switch that turns the device on when the voltage exceeds the specified rated voltage, thus clamping the voltage down. The oxide Varistor, on the other hand, provides additional protection from overvoltages, as it offers overvoltage protection above the SCR’s limit.

The 20KPA256A is especially useful in applications where lightning protection is critical, such as telecommunication systems, aircraft, and military systems. It is also well suited for protecting consumer electronics, such as laptops, cell phones and PDAs from ESD (electrostatic discharge) and electrical overvoltage. Additionally, it is used in automotive applications such as point-of-load transient protection.

In summary, the 20KPA256A is a versatile and reliable TVS diode that offers fast response time, great power dissipation capacity, and low leakage current. It is used in a variety of applications such as lightning protection, ESD protection, AC line transient protection, and point-of-load transient protection. It offers an integrated SCR and oxide Varistor, making it a convenient solution for applications that require fast response time and reliable overvoltage protection.

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