BZX84C2V4-G3-18

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A Zener diode, also known as a breakdown diode, is a special type of diode designed to operate in the reverse-bias breakdown region. In contrast to a regular diode, a Zener diode can operate with a potential difference between the anode and the cathode that exceeds the breakdown voltage of the diode and still operate in a ‘reverse-bias breakdown’ region. The BZX84C2V4-G3-18 is a special type of Zener diode that can be used for a variety of applications.

BZX84C2V4-G3-18 Zener diodes are typically used in applications where the circuit requires power to be supplied at a certain voltage level. The Zener diode can stabilize the voltage and prevent it from rising above the Zener breakdown voltage. For example, it can be used in power supply circuits, LED drivers, voltage regulators, and many other types of circuits.

The BZX84C2V4-G3-18 has a breakdown voltage of 4.3 volts with 18 ohms of maximum series resistance. The maximum power dissipation is 200 mW and the operating temperature range is -50°C to 150°C. This Zener diode also has a maximum operating current of 160 mA, an isolation resistance of 105 MOhms minimum, and a thermal resistance of 3.2°C / W.

The working principle of a Zener diode is fairly simple, as it operates in the ‘reverse-bias breakdown’ region. When a Zener diode is connected in a circuit, a small amount current flows through it. This current flows from the anode to the cathode. As the current increases, the electric field in the diode increases, and eventually it reaches a point at which the diode enters the reverse-bias breakdown region. At this point, a large amount of current begins to flow through the diode. This current is known as the Zener current, and it keeps the voltage across the diode constant.

The Zener diode can be used in a wide range of applications, such as power supply circuits, LED drivers, voltage regulators, and many other types of circuits. It is also widely used in noise reduction circuits, as it can reduce noise in a circuit by providing an adjustable voltage drop. It is also used in overvoltage protection circuits, as it can prevent a circuit from being damaged by an overvoltage.

In conclusion, the BZX84C2V4-G3-18 is a Zener diode that is widely used for a variety of applications. It has a breakdown voltage of 4.3 volts with 18 ohms of maximum series resistance, a maximum power dissipation of 200 mW, and a maximum operating current of 160 mA. The Zener diode operates in the reverse-bias breakdown region, and it can be used to provide a stable voltage level in a circuit or reduce noise in a circuit. It is also used in overvoltage protection circuits to help prevent damage caused by an overvoltage.

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