SMAJ200AE3/TR13 Circuit Protection

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Transient Voltage Suppression (TVS) diodes are a key component in protecting electronic circuits from electrical transients and spikes. The SMAJ200AE3/TR13 is an example of a TVS diode designed to protect against voltage transients. This article will explain the application fields and working principle of the SMAJ200AE3/TR13.

The SMAJ200AE3/TR13 is a bidirectional, unidirectional, and bidirectional (non-polarized) diode, with a maximum working voltage of 200V and a voltage clamping of 175V. It has an ultra-fast response time of 8ns and a maximum clamping voltage of 330V. This makes it an ideal choice for applications that require fast and reliable protection from voltage transients.

The SMAJ200AE3/TR13 diode can be used in a variety of applications, such as automotive electronics, industrial electronics, power supplies, and telecommunications equipment. It can also be used in consumer electronics and telecommunications equipment that is susceptible to voltage transients. This diode is suitable for applications that require suppression of both over-voltage and over-current transients.

The working principle of the SMAJ200AE3/TR13 diode is based on the avalanche breakdown mechanism. This mechanism assumes that the junction between the n and p regions is reversed biased and that the electric field across the junction exceeds the breakdown voltage. At this point, free electrons in the n-region are accelerated across the junction, creating a large current. This results in the voltage to be clamped to a certain value, and the excess current is safely dissipated.

Once the voltage transient is over, the diode recovers its original properties, allowing it to continue to protect the connected circuit. This diode can also be used in a variety of switching applications, including power MOSFETs, high-power DC-DC converters, and other similar circuits. Additionally, the SMAJ200AE3/TR13 diode is also suitable for use in many medical electronics applications.

The SMAJ200AE3/TR13 is a versatile and reliable TVS diode that is suitable for a wide range of applications. It is designed to protect electronic devices from voltage transients and spikes, and it offers an ultra-fast response time of 8ns. It is also suitable for a variety of switching applications, including power MOSFETs, high-power DC-DC converters, and other similar circuits.

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