SZBZX84C33LT1G

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SZBZX84C33LT1G application field and working principle

SZBZX84C33LT1G is a kind of single zener diode with high reverse voltage. It is widely used in circuits that need high electricity voltage resistance and stabilization. It adopts epoxy resin packaging, which features small size and light weight, multiple types of packaging, large power dissipation capability, high reliability and long service life.

Zener diode is a kind of diode which has low forward voltage and high reverse breakdown voltage. It is a two-terminal semiconductor device, formed based on P-N junction. Usually, the cathode is marked with a band. When a voltage greater than the breakdown voltage is applied to the diode in reverse direction, its reverse current increases sharply, and the voltage drops to a certain value when the current stabilizes. In other words, when the reverse voltage of the diode exceeds the breakdown voltage, there will be a sharp increase in reverse current to ensure that the reverse voltage is not exceeded.

This breakdown voltage, also known as Zener voltage, is determined by the material and structure of the diode. The working of the Zener diode is based on the reverse bias operation. When the anode voltage is more positive than the cathode voltage and the forward current reaches a certain value, the Zener diode is reverse-biased and the breakdown voltage, that is, the Zener voltage, is obtained. The Zener voltage will remain constant, no matter how much current flowing through the diode, thus providing stable reference voltage. As explained earlier, SZBZX84C33LT1G is a single zener diode which is widely used in circuits that need high electricity voltage resistance and stabilization.

When Zener diode is under electric current, it can act as a constant voltage source, which can legitimately be understood as a kind of voltage regulator. This is achieved by taking advantage of the breakdown voltage characteristic of diodes. Under electric current, this breakdown voltage is relatively constant and therefore reliable and stable. Thus, when the electric current into the diode exceeds the maintenance value, this diode can provide ideal voltage-limiting capabilities and serve as voltage regulator.

In order to use SZBZX84C33LT1G as a voltage regulator and as power-on protection, Zener diode can be connected in parallel to the power supply. A Zener diode and a small resistor connected in parallel to the power supply can form a simple and reliable circuit for power-on protection. In this way, the Zener diode would take charge of the power-on protection, whereas the resistor would help to limit the current and protect the diode.

Conclusion

SZBZX84C33LT1G is a single zener diode which is widely used in circuits that need high electricity voltage resistance and stabilization. It can offer protection to circuit, absorb transient energy and provide constant voltage regulation, making it a reliable option for power-on protection and voltage regulation.

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