GLL4743A-E3/97

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The GLL4743A-E3/97 is a single Zener diode. A Zener diode is a silicon-based diode designed to operate in the breakdown region; it has a much lower breakdown voltage than a normal diode and its operation is different in the reverse bias mode due to the Zener effect. Zener diodes are often used to regulate voltage in a circuit, and the GLL4743A-E3/97 is no exception.

As a general purpose Zener diode, the GLL4743A-E3/97 is designed to be used in a variety of applications. It is most commonly used in voltage regulation and voltage protection. In voltage regulation, the diode is connected in parallel with a load and used as a voltage reference. This ensures that the output voltage will be maintained even when the input voltage fluctuates. In voltage protection, the diode is used to protect sensitive components from an over-voltage condition. The diode will “clamp” the voltage to a safe level before it can cause damage to the protected components.

The GLL4743A-E3/97 has a peak reverse voltage (VRM) of 47V, meaning it can be used in a wide range of applications. It also has a nominal Zener voltage (VZ) of 3.0V and a nominal reverse current (IR) of 1µA. The maximum reverse power (PRM) is 0.25W and the maximum zener impedance (ZZZ) is 10.7Ω. The size of the package is SOD-123, and it has a maximum supply current of 1.0A and a maximum ambient temperature (TAMB) of 150°C.

The GLL4743A-E3/97 datasheet provides detailed information about the diode’s performance characteristics, including its breakdown voltage, the temperature range over which the diode can operate, the maximum leakage current, and the maximum DC power dissipation. It is important to read the datasheet in order to understand the diode’s limitations and to ensure it is used correctly.

The working principle of the GLL4743A-E3/97 is based on the Zener effect. When a voltage is applied to a reverse-biased p–n junction, electrons in the valence band of the p-side can be excited into the conduction band of the n-side. This process, known as “tunneling”, can only occur if the applied voltage is greater than the PN junction’s breakdown voltage. If a Zener diode is used, the diode will maintain a constant reverse voltage, allowing it to operate in the breakdown region and act as a voltage regulator/clamper.

The GLL4743A-E3/97 is a single Zener diode designed for a wide range of applications. It can be used for voltage regulation, voltage protection, and other applications requiring constant reverse voltage. Its datasheet provides detailed information about its performance characteristics, and understanding the Zener effect will help ensure it is used appropriately and safely.

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