2M18ZHR0G

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A 2M18ZHR0G is a single Zener diode and is used mainly for voltage regulation and even in interfacing of logic ICs. The device is also used in occasions where voltage ripple needs to be reduced and over-voltage protection is necessary.

The diode works by conducting current when the Zener breakdown voltage is reached. This capacitance can be controlled by the Zener voltage and current. The Zener breakdown voltage is set at a specific point using a specific high-quality and low-noise line. The current-voltage (I-V) character of the single Zener diode can be seen in the below picture.

The I-V diagram of the 2M18ZHR0G is a straight line in between the zero point and Vz. When the voltage is below Vz, the diode is non-conductive and behaves like an ordinary diode (like a PN junction diode). However, when the voltage reaches Vz the diode starts to conduct and behaves like an ideal Zener diode. This breakdown voltage is known as the Zener voltage and can be used to control the performance of the diode.

The working principle of the 2M18ZHR0G is that it acts as a low resistance when the voltage across it goes above the set voltage level. This helps to maintain a stable output voltage across the device. Moreover, the current regulation capability of the diode also helps to draw out a constant voltage from any power supply with varying current.

The Zener diode can also be used for reverse bias applications like reverse current protection. It limits the current by providing a low resistance path when a reverse voltage is provided. The 2M18ZHR0G diode is used in various applications such as audio circuits, voltage regulators, DC-DC converters, RF circuits, etc.

To conclude, the 2M18ZHR0G is a powerful and efficient single Zener diode which is suitable for voltage regulation, reducing ripple, over-voltage protection and reverse current protection. Its current-voltage characteristics can be controlled by adjusting the Zener voltage and it finds application in a wide range of circuitry.

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