MMSZ4702-G3-18

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The MMSZ4702-G3-18 is a type of single Zener diode, used in a range of applications in the electronics industry. Zener diodes are widely used as voltage references, often combined with other components to create a voltage regulator. The MMSZ4702-G3-18 is a high-power Zener diode, able to handle power up to 1.8W, making it suitable for applications where higher voltages and currents are needed.

The MMSZ4702-G3-18 consists of a single semiconductor junction, formed by joining two different types of semiconductor material. This type of semiconductor junction is known as a "diode," and it exhibits a characteristic known as the "Zener effect." This effect occurs when a diode is reverse biased, meaning the voltage applied to the diode is in the opposite direction to the current through it. In this state, the diode acts as a voltage limiter, allowing only a certain amount of current to flow in the reverse direction.

Zener diodes are widely used as voltage references, since their reverse-biased voltage does not change appreciably with the current through it. This property is useful for applications such as voltage regulation and power supply design. In these applications, the Zener diode is connected in series with a resistor and a load (usually an LED or a DC motor). The voltage from the power supply is applied to the resistor, limiting the current to the load through the Zener diode. By adjusting the resistance of the resistor, the voltage applied to the load can be controlled.

The MMSZ4702-G3-18 is also used in AC power filters, as it offers a high level of protection against electrical noise. Its reverse-biased voltage acts as a barrier, preventing noise from passing through the diode. This property is especially useful for applications requiring high levels of accuracy, such as medical and aerospace systems.

The MMSZ4702-G3-18 is designed for surface mounting, allowing for easy installation on printed circuit boards. It has an epoxy coating to protect its outer surface, and its metal web is plated to resist corrosion. The MMSZ4702-G3-18 is available in a variety of packages, including DO-35 and SOD-323, making it suitable for a wide range of applications.

In summary, the MMSZ4702-G3-18 is a high-power Zener diode, commonly used for voltage regulation and power supply design, as well as AC power filtering. It is designed for surface mounting, and is available in a variety of packages, making it suitable for a range of different applications.

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