SMBJ5352A/TR13

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The SMBJ5352A/TR13 is a type of diode that works primarily on the principle of Zener breakdown. It is a single, subminiature device used mainly in applications in which high voltage and current transients need to be minimized.

Zener breakdown is the process by which an electric current passes through a structured material, such as the anode and cathode in a diode, and electrons within the material fluoresce because of the electrical field generated. This process is used for semiconductor diodes such as the SMBJ5352A/TR13, where the electrons liberated from the breakdown emit light in the form of a large increase in the reverse bias voltage of the diode. As the electric field increases, the diode begins to break down at certain points, allowing for the electrons to become ionized and flow freely in an electric current.

The SMBJ5352A/TR13 is particularly useful in applications that require large, current transients, such as those associated with power supplies, motor control circuits, and communications systems. It is also used in overvoltage protection circuits. The diode is available in two different two-terminal package styles, RoHS-compliant and lead (Sn/Pb) free versions. The RoHS-compliant version is hermetically sealed in order to protect it from environmental exposure.

The diode is also capable of handling higher voltages and currents, thanks to its use of a larger Schottky barrier, which increases the breakdown voltage of the diode. This increased breakdown voltage makes it ideal for high-frequency signal transmission applications. Additionally, the SMBJ5352A/TR13 utilizes a temperature-stabilized design, which helps to reduce the amount of voltage variation when it is exposed to changing temperatures.

The SMBJ5352A/TR13 is rated to operate in a temperature range spanning from -65°C to 150°C. It features a maximum power dissipation at 150 bi-directional (AC) rating and a peak surge current rating of 40A. The zener voltage is rated to between 5.1V and 8.4V. Furthermore, the device incorporates high ESD ratings for maximum protection against static electricity and other electrostatic anomalies. The package size of the diode is a small, subminiature 0.535"x0.535" for improved functionality and aesthetics.

The SMBJ5352A/TR13 is designed to provide protection from high voltage and current transients and minimize the risks associated with them, by making use of the breakdown of the electric field within the diode. Its combination of high voltage, high current ratings, temperature stability, and ESD protection make it an ideal choice for a wide variety of applications. Thus, the SMBJ5352A/TR13 is a highly efficient and robust diode, capable of providing reliable protection in a variety of different settings.

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