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

MMSZ4691-HE3-18 Application Field and Working Principle

MMSZ4691-HE3-18 is a Zener Diode and it is used as a voltage regulator, especifically as a Shunt regulator. As it is a Zener diode, it provides voltage regulation over a range of currents. The MMSZ4691-HE3-18 Zener diode is a single diode with a breakdown voltage of 18V. It is commonly used in a variety of different applications, from voltage regulation on batteries, to protection and reverse protection of circuits, as well as in voltage potential equalization systems.

The MMSZ4691-HE3-18 works based on the principle of avalanche breakdown, which is the point when an electric current increases exponentially with a slight increase in voltage. As the applied voltage increases, the electric field inside the diode increases until the electrons gain enough energy to collide with the electrically-neutral silicon atoms, creating electron-hole pairs. This is known as avalanche breakdown, and is the event that creates the exponential increase in current.

In the MMSZ4691-HE3-18 Zener diode, the breakdown voltage is 18V, meaning that when the voltage drops below 18V, the current will not exceed the maximum allowed current. This means that it gives regulated output voltages over a range of currents, ensuring that the voltage is kept constant. This makes it perfect for use as a voltage regulator.

MMSZ4691-HE3-18 is used in a variety of different applications. They are used in the protection of circuits in case of a sudden spike in voltage or current. They are used for reverse protection, in which the diode protects other components from being damaged in case of an unexpected surge in voltage or current. They can also be used for equalizing the potential of two circuits, allowing them to communicate easily. Lastly, they are used in batteries to regulate the voltage, preventing damage from too much or too little voltage.

In summary, the MMSZ4691-HE3-18 is a Zener diode, designed for use as a voltage regulator, with a breakdown voltage of 18V. It works on the principle of avalanche breakdown, in which the current increases exponentially when the voltage increases above a certain point. It has a variety of applications, such as protection of circuits, reverse protection, potential equalization, and voltage regulation of batteries.

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