SMCJ28HE3/9AT

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TVS (Transient Voltage Suppressor) diodes are semiconductor devices designed to protect sensitive electronics and electrical components from transient voltage surges that often occur in consumer electronic devices, industrial equipment, electronic systems, and telecommunications equipment. The SMCJ28HE3/9AT is a model of TVS diode which is suitable for various applications, from consumer electronics to industrial equipment. This article provides some information about the specific application fields and working principles of the SMCJ28HE3/9AT TVS diode.

Application Field of SMCJ28HE3/9AT

The SMCJ28HE3/9AT diode is a transient voltage suppressor diode designed to protect sensitive electronic components from high-voltage transients in various environments. It can be used for different applications such as communication boards, computers, consumer electronics, industrial equipment, and telecommunications equipment. The diode is also suitable for surge protection in automotive electronics. It can withstand surges up to a maximum of 28V, and its maximum power dissipation is 9 A.

Working Principle of SMCJ28HE3/9AT

The working principle of the SMCJ28HE3/9AT commonly found in TVS diodes is the avalanche breakdown effect. During an overload, the electric field in the junction of the diode becomes higher than the breakdown voltage. This leads to a large number of electrons and holes being accelerated across the junction, as well as a large amount of energy being released. This energy is enough to cause ionization of the atoms in the junction, resulting in an avalanche breakdown. The diode will then clamp any further increases in voltage and limit its passage through the component. This prevents any damage to the connected electronics or components.

Conclusion

The SMCJ28HE3/9AT is a highly reliable TVS diode which is suitable for various applications. It has an avalanche breakdown effect which allows it to protect sensitive electronics and components from high-voltage transients. This makes it an ideal choice for surge protection in different applications, including consumer electronics, industrial equipment, and automotive electronics.

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