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Diodes - Zener - Single

The DFLZ22Q-7 is an inexpensive, single Zener diode manufactured to meet the requirements of today’s electronics markets. Applying this Zener diode in various circuits provides an easy way to regulate and protect critical components from unexpected power spikes.

Application Field of DFLZ22Q-7

The most common application field of the DFLZ22Q-7 is in power supplies because it serves as a voltage regulator that prevents voltage spikes, drops and shorts. Other popular uses include protecting circuit components, such as diodes, LEDs, transistors, etc., to ensure that they are not damaged due to excessive voltage. Additionally, the DFLZ22Q-7 can be used in a number of circuit-designing applications, where it can be used to couple, mix, or block certain signals.

Working Principle of DFLZ22Q-7

A Zener diode is designed to only allow an electric current to pass in one direction, by using an individual p-n junction. Once an external voltage is applied in the opposite direction, a Zener diode allows the excess voltage to flow through in the opposite direction, or, as it is better known, in the reverse direction. In regards to the DFLZ22Q-7, the Zener voltage effect is used to guard against sudden voltage spikes. This way, the DFLZ22Q-7 ensures that the power input to any circuit remains within the rated operating range.

The Zener voltage is slightly lower than the normal forward voltage, which is why it acts as a voltage regulator. When the voltage applied to the diode is above the rated Zener voltage, it will begin to conduct. When the normal forward voltage is higher than the Zener voltage, the diode will not conduct, it will instead act as an open circuit, blocking the current flow.

Summary

The DFLZ22Q-7 is a single Zener diode that offers many practical uses for regulating and protecting circuits from unexpected power spikes and surges. Its primary applications include power supplies and circuit protection, as well as various uses in circuits designs. Its working principle is based on the Zener voltage effect and the ideal forward voltage, where the Zener voltage is slightly lower than the normal forward voltage.

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