3EZ19D10E3/TR8

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Diodes, especially zener diodes, are among the most common components in today’s electronic circuits. The 3EZ19D10E3/TR8 is a typical single zener diode, providing reverse breakdown voltage between 9.1V and 11.4V. This article will explore the application field and working principle of this diode.

Application Field

3EZ19D10E3/TR8 is mainly used in applications where stable voltage is needed, such as voltage regulator, voltage limiter, overvoltage protector, and clamping circuit. As it can provide stable and precise voltage, it is especially suitable for sensitive and critical circuits, such as remote control circuits, laptop charger circuits and other related applications.

Working Principle

Zener diodes, including 3EZ19D10E3/TR8, are special type of diodes whose working principle is based on reverse breakdown. They are mainly used for voltage regulation and voltage limitation. Under normal circumstances, the zener diode is forward biased, meaning that its anode is connected to the positive side of the power source, and the cathode is connected to the negative side. In this state, the diode acts like a normal diode, allowing the current to flow from the anode to the cathode (opposite of conventional current).

When the voltage across the diode exceeds the threshold voltage (also known as the zener breakdown voltage), the diode starts conducting in the reverse direction – the current flows from the cathode to the anode. The diode becomes a low-resistance path, which can be used to regulate the voltage. The voltage across the diode is limited to the breakdown voltage, resulting in a very stable output voltage. This is the principle behind the 3EZ19D10E3/TR8.

Conclusion

3EZ19D10E3/TR8 is a single zener diode, which is mainly used for voltage regulation and voltage limitation. Its working principle is based on reverse breakdown, where it effectively limits the voltage to its breakdown voltage, thus providing a very stable output voltage. This is why the 3EZ19D10E3/TR8 is very popular for sensitive, critical applications, such as remote control circuits and laptop charger circuits.

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