SMAJ350CE3/TR13

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Transient Voltage Suppression (TVS) diodes are a type of protection devices that help in providing high levels of electrical surge protection when exposed to an abnormal event, such as an electrical surge or transient. TVS diodes come in a variety of packages and ratings, and the SMAJ350CE3/TR13 is an example of one such TVS diode. In this article, we will take a look at the application field and working principle of the SMAJ350CE3/TR13.

Application Field

The SMAJ350CE3/TR13 is a general-purpose junction transient voltage suppressor, designed for protection from high-voltage transients and over-voltages. It is designed to protect against transient voltage surges of up to 350 volts with a current rating of 5A. The small size makes it suitable for a variety of applications, including automotive, industrial, and consumer applications. It is suitable for use in harsh environments thanks to its excellent thermal and electrical performance characteristics.

The SMAJ350CE3/TR13 is designed to help protect against overvoltage caused by surges such as lightning and electrostatic discharge. This is due to its fast-acting protection, with a response time of 0.5 microseconds (µs) or less. It also provides very low clamping voltages, and due to the small size, it can be easily integrated into designs with tight space constraints.

Working Principle

The SMAJ350CE3/TR13 works by dissipating the energy caused by a transient, thereby preventing it from damaging sensitive components. When the voltage reaches the peak clamping voltage of the device, the transient is clamped, and the energy is then dissipated as heat through the TVS diode’s internal resistance. This works in concert with the built-in resistance of the device to reduce the peak energy of a surge.

The SMAJ350CE3/TR13 also works successfully in cases where the surge current is too high for the device to dissipate as heat. In such cases, the SMAJ350CE3/TR13’s internal resistance is bypassed, creating a short circuit that diverts the extra energy away from the device. This ensures that the TVS diode remains operational, and any downstream electronics remain protected.

Conclusion

The SMAJ350CE3/TR13 is an excellent choice for providing protection from transient voltage surges and overvoltages. Its fast-acting protection, excellent thermal and electrical performance characteristics, and small size make it suitable for use in a variety of applications. In addition, its internal resistance helps to dissipate any energy caused by transient events and divert energy away from sensitive components.

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