BZD27C18PHM2G

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Diodes are essential components in a wide range of electrical and electronic circuits, such as rectification, voltage regulation, protection and signal switching. Zener diodes are a special kind of diodes that are designed to regulate the voltage in circuits. The BZD27C18PHM2G is a zener diode with a single package size and high breakdown voltage.

This diode features a breakdown voltage of 18V with a tolerance of ±5%. The maximum current of the BZD27C18PHM2G is 500 mA, while its voltage reverse current is 4 µA. The maximum power dissipation of the diode is 500 mW. It has a maximum leakage current of 15 µA when reverse biased and it is able to handle up to 150 mA drain current for linear regulation.

The BZD27C18PHM2G is designed for a wide range of applications, ranging from power supply regulation in power conversion applications to overvoltage protection in automotive and industrial equipment. It can also be used in applications such as voltage reference, clamping, snubbing and voltage level shifting.

The working principle of the BZD27C18PHM2G is based on the Zener effect, or reverse breakdown effect. When the diode is reverse biased, the electric field at the junction of the diode increases until it reaches a critical value at which point, current begins to flow freely in the reverse direction. The threshold voltage at which this occurs is known as the Zener voltage. When a voltage equal to or higher than the Zener voltage is applied to the diode, it begins to conduct electricity and the voltage across the diode remains constant at the Zener voltage regardless of any further increase in the applied voltage. This allows the BZD27C18PHM2G to regulate the voltage in the circuit, allowing for a steady and consistent voltage supply.

In conclusion, the BZD27C18PHM2G is an efficient and reliable zener diode with a breakdown voltage of 18V and a tolerance of ±5%. It is highly suitable for a wide range of application, ranging from power supply regulation to overvoltage protection. The diode utilizes the Zener effect to regulate the voltage in the circuit, allowing for a steady and consistent output.

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