1PGSMA4751HR3G

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Diodes - Zener - Single

The 1PGSMA4751HR3G is a diode in single form, making it a member of the group of diodes known as Zeners. These Zeners types of diodes are used as a form of voltage regulator for applications in telecommunications, industrial networks and also for power supplies. The 1PGSMA4751HR3G is available in a variety of types and values dependent upon the working voltage and power requirement.

Function

The main function of a Zener diode is to allow electricity to pass in one direction only, while the other direction is blocked. When voltage is applied to the diode, it allows only electricity to flow in the reverse direction and enables it to clamp the voltage at a particular level. This function is useful in many applications where regulated power is needed.

Working Principle

When a diode is exposed to forward- and reverse-biased voltages, it will act as a one-way gate for electric current. In a Zener diode, the reverse biased voltage will cause the depletion region of the PN junction to increase. This will result in a decrease in forward current and an increase in the reverse current through the Zener diode. The Zener voltage or breakdown voltage will be the voltage at which the Zener diode starts to conduct current in the reverse direction, once the reverse voltage exceeds the rated Zener voltage.

As current passes through a Zener diode, it experiences what is known as a “Zener Effect”. This property of the diode enables it to regulate the voltage level of the current. The Zener diode works in a similar way to a voltage regulator; when the voltage applied to the Zener diode exceeds the conducting threshold, the diode will try to keep the voltage at this point, ensuring that the current flowing through the Zener diode does not exceed the breakdown voltage. In this way, the Zener diode helps to regulate the voltage level of the current.

Application Field

As the name implies, a Zener diode is most commonly used in applications that require voltage regulation. It is used in a variety of scenarios, such as in voltage converters, voltage amplifiers and power supplies to regulate the voltage level. This makes them ideal for use in telecommunications and industrial networks, as they can provide a regulated power source.

Zener diodes are also often used in power supplies as they are able to withstand high temperatures and prevent voltage surges. In addition, they can also be used as protection diodes to protect sensitive components from power spikes. They can also be used in conjunction with other diodes, such as in bridge circuits, to provide alternative power sources or to reduce power wastage.

In summary, the 1PGSMA4751HR3G Zener diode is a single form diode that is designed to provide voltage regulation for a variety of applications. The diode works by allowing current to flow in one direction, while in the other direction, it clamps the voltage at a pre-determined level. This feature enables the Zener diode to be used for a variety of applications in telecommunications, industrial networks and power supplies.

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