GLL4753A-E3/97

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Diodes, also known as rectifiers, are devices used in electrical circuits to pass electrical current in a single direction while blocking current in the opposite direction. Zener diodes are an even more specialized type of diode, designed to maintain a particular voltage level in a circuit. A single Zener diode, like the GLL4753A-E3/97, is often used to regulate a voltage level and protect other components in a circuit. This article will discuss the application field and working principle of the GLL4753A-E3/97 Zener diode.

When selecting a Zener diode for a given application, it is important to recognize and understand the device\'s power rating, operating voltage, and peak operating current. The GLL4753A-E3/97 Zener diode has a power rating of 1.3 watts, an operating voltage of 6.8 volts, and a peak operating current of 350mA. This diode is suitable for both commercial and industrial applications and can be used in a wide variety of applications, including voltage regulators and transient voltage suppressors, voltage reference applications, and as a bias source for circuits.

The GLL4753A-E3/97 Zener diode works by a process known as Zener breakdown. When a voltage higher than the diode\'s breakdown voltage is applied, the diode allows current to travel through it in the forward direction. As the voltage increases, the current flowing through the diode increases until it reaches a point where it suddenly jumps to a much higher level. This sudden jump in current is called the Zener breakdown voltage.

As the voltage continues to increase, the current through the diode increases and the Zener breakdown voltage remains the same. After reaching the Zener breakdown voltage, the current flowing through the diode remains constant even if the applied voltage increases further. As a result, the Zener diode can be used to maintain a stable voltage level and prevent transients from damaging other components in the circuit.

In addition to regulating voltage levels, Zener diodes can also act as current sources or current sinks by using the Zener breakdown voltage as a reference voltage. For example, a current source circuits uses a Zener diode to maintain a constant current flow by comparing the voltage across the load with the Zener breakdown voltage. By controlling the voltage of the diode, the voltage across the load can be kept stable.

Similarly, a current sink circuit uses a Zener diode to limit the current flow to a safe level. In this configuration, the Zener diode is connected in series with the load, and the current flowing through the diode is limited by the Zener breakdown voltage. By controlling the Zener breakdown voltage, the current flowing through the load can be kept within a safe limit.

The GLL4753A-E3/97 Zener diode is a reliable, cost-effective device suitable for a wide range of applications. It is capable of regulating voltage levels and providing a stable reference voltage for current sources or current sinks. By understanding the device\'s power rating, operating voltage, and peak operating current, designers can select the appropriate Zener diode for their application.

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