1N5343C/TR12

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The 1N5343C/TR12, classified as Diodes - Zener - Single, is a diode that allows a voltage in reverse direction which differs from the normal PN junction diodes by an order of magnitude. It is often used in the application fields of voltage regulation, clipping, and peak current limiting, and its working principle is based on the Zener effect. This paper will discuss the application fields and the working principle of 1N5343C/TR12.

The application of the 1N5343C/TR12 diode can be distinguished according to its various functions, such as voltage regulator, voltage clipping, and peak current limiting. As a voltage regulator, it is used to provide a stable output voltage, even when the input voltage fluctuates due to changes in temperature, current, and other factors. As a voltage clipper, it clips the voltage above or below a certain level to protect sensitive, low-voltage circuits from overvoltage damage. As a peak current limiter, it is used to limit the peak current of a circuit, thus protecting the circuit from damage due to excessive current.

The 1N5343C/TR12 diode operates on the principle of the Zener effect, which was named after American physicist Clarence Zener. In normal PN junction diodes, the reverse breakdown occurs due to a decrease in the depletion layer voltage. On the other hand, in Zener diodes, the reverse breakdown is caused by an increase in the electric field due to the doping of the junction region. The doping of the P-N junction with a heavily doped N-type semiconductor material creates a large number of electron-hole pairs, which create a quasi-neutral zone at the junction. The electric field applied to the junction causes the electrons and holes to drift in opposite directions, creating an electric current.

When the applied voltage increases above the breakdown voltage, the current in the diode increases rapidly, resulting in the Zener effect. This effect prevents the voltage from exceeding the breakdown voltage, allowing the diode to act as a voltage regulator by maintaining a constant output voltage. At the same time, the diode can limit the peak current of the circuit, preventing excessive current from damaging the circuit.

In conclusion, the 1N5343C/TR12 diode has various application fields and works on the principle of the Zener effect. It can be used as a voltage regulator, voltage clipper, and peak current limiter. It can also regulate output voltage and limit peak current to protect sensitive circuits from overvoltage and overcurrent damage. Thus, the 1N5343C/TR12 diode is an invaluable device for numerous electronic and electrical applications.

References:

Clipping, peak current limiting and Zener diodes. (2021, March 31). Retrieved from https://www.learnabout-electronics.org/diodes/diodes54.php

Zener diodes. (2021, April 1). Retrieved from https://general-electric-resources.com/zener-diodes/

The specific data is subject to PDF, and the above content is for reference