BZX84B47-7-F

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Diodes - Zener - Single

The BZX84B47-7-F is a type of Zener diode and it is specifically used for voltage regulation applications. Zener diodes are one of the most popular semiconductor components as they are used in many different types of electrical and electronic circuits. This article will explain the application field and working principle of the BZX84B47-7-F.The BZX84B47-7-F is a single-terminal Zener diode with a nominal Zener voltage of 7.0 V. It is designed for operation in circuits with a power supply of 30 V and a current drain of 300 mA. Its maximum power dissipation is 500 mW and it has a peak forward surge current of 500 mA. The device is suitable for applications such as series regulation, switch-mode power supplies, and voltage regulation of logic.Zener diodes have a structure that includes a pair of diodes connected in parallel and opposite directions. When a Zener diode is forward biased, the PN junction in the diode acts as a diode. When a large enough reverse bias voltage is applied to the diode, the voltage across it increases. At a certain point, the voltage across the diode is large enough to create a ‘Zener breakdown’; the energy barrier at the PN junction is overcome and a large amount of current will flow through the diode. This large breakdown voltage is known as the Zener voltage.The BZX84B47-7-F is designed so that when a reverse bias voltage is applied to it, the voltage across the diode is always close to the nominal Zener voltage of 7.0 V, even if the voltage on the external circuit changes. This allows the diode to be used in circuits that require the output voltage to remain regulated at the same level even if the supply voltage fluctuates. It can also be used to create a voltage reference voltage of 7.0 V in circuits that require a fixed reference voltage.In addition to its regulation uses, the BZX84B47-7-F can also be used to protect devices or circuits from overvoltage. When a voltage higher than the Zener voltage is applied to the diode, the diode will begin to conduct current. This will limit the voltage at the diode’s output, protecting the devices or circuits connected to it from any damage due to overvoltage.In summary, the BZX84B47-7-F is a popular single-terminal Zener diode that is used in many different types of applications. Its main uses include voltage regulation, voltage reference, and overvoltage protection. It is designed to maintain a stable output voltage over varying input voltages, making it an ideal choice for many different types of circuits.

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