SMF36A-HE3-08

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Transient Voltage Suppressor (TVS) diodes, such as the SMF36A-HE3-08, are a type of semiconductor device designed to protect electronic equipment from voltage spikes. A voltage spike is a transient burst of voltage caused by a sudden surge of electrical current. It can be caused by lightning strikes, power line disturbances, or other events. TVS diodes are designed to limit the maximum voltage that can be applied to a circuit, preventing damage to sensitive components and increasing the reliability of the equipment.

The SMF36A-HE3-08 is an example of a bi-directional polarity TVS diode. It is packaged in a SOD-323F case and has a low leakage current. It can handle pulses as large as 36A, with a peak reverse voltage of 8V. It is suitable for use in portable electronics, automotive electronics, and consumer white goods.

The working principle of the SMF36A-HE3-08 is simple. When an overvoltage event occurs, the diode becomes forward-biased, allowing current to flow the other way. This increases the voltage across the diode, causing the current to decrease until the voltage is brought back within the desired level. As the voltage across the diode decreases, the diode turns off, cutting off the current and protecting the circuit from overvoltage.

TVS diodes like the SMF36A-HE3-08 are used in a variety of applications, from automotive electronics to industrial equipment. They are designed to provide overvoltage protection for sensitive components, improve system reliability, and improve the lifespan of the equipment. Thanks to their small size and low cost, they are becoming increasingly popular for use in a wide range of applications.

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