MMBZ5238C-G3-18

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The MMBZ5238C-G3-18 is a single Zener diode manufactured by ON Semiconductors. It is a Silicon Controlled Rectifier (SCR) with a rated breakdown voltage of 18 volts. This device is designed to protect other circuit components from over-voltage conditions. It works by providing a safe conductive path for current when the voltage is above the rated 18V.

The MMBZ5238C-G3-18 has a number of application fields. It is often used in switch mode power supplies or battery-operated systems, such as laptops and cell phones, to protect their components from over-voltage conditions. It is also used in high-voltage systems, such as solar cells and medical equipment, to protect them from transient voltage surges. Additionally, it can be found in preference circuits, such as those in audio and video power amplifiers, to limit the output voltage.

The MMBZ5238C-G3-18 is designed to work through the principle of avalanche breakdown. This occurs when a voltage greater than the breakdown voltage is applied to the diode. Once the breakdown voltage is reached, a large number of electron-hole pairs are produced, allowing a large amount of current to flow through the diode. The current flows through the diode until the voltage at the anode drops below the breakdown voltage, at which point the device will be in cutoff mode with no current flow. The large number of electron-hole pairs that are produced enable this device to handle large amounts of current without damaging itself.

In summary, the MMBZ5238C-G3-18 is a single Zener diode manufactured by ON Semiconductors. It is designed to protect other components from over-voltage conditions and works through the principle of avalanche breakdown, allowing it to handle large amounts of current without damage. It has a wide variety of application fields, such as in switch mode power supplies, high-voltage systems and preference circuits. This device is a useful tool for any number of applications, as it can be relied upon to keep components safe from over-voltage damage.

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