MMSZ5245B-G3-18

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The MMSZ5245B-G3-18 is a small signal surface mount Zener diode. It consists of two terminals, which represent the anode and cathode of the diode. The MMSZ5245B-G3-18 is designed specifically to provide overvoltage protection and stable reference voltage. It works by allowing current to flow in one direction, while restricting or blocking current in the opposite direction.

MMSZ5245B-G3-18 is a positive voltage type diode, which allows current to flow in the forward direction with a low voltage drop. It also offers minimal leakage current in the reverse direction. It has a maximum Zener voltage of 18 volts, a tolerance of ± 5%, and a standoff voltage of 17 volts. The MMSZ5245B-G3-18 has a maximum power dissipation of 250 mW and reverse stand-off voltage of approximately 11 volts.

The MMSZ5245B-G3-18 is used for a variety of applications, such as voltage reference, noise filter, and overvoltage protection, in addition to a multitude of other uses. It can be used as a voltage reference in all types of analog circuits, such as amplifiers and oscillators. It can also be used as a noise filter to reduce or eliminate undesirable noise or transients in analog circuits. As an overvoltage protection device, the MMSZ5245B-G3-18 can be used to safeguard vulnerable components in a circuit by limiting the voltage applied to them.

The MMSZ5245B-G3-18 demonstrates its Zener characteristic when it is operated in the reverse-biased condition. When the applied voltage drops below its Zener voltage, the device’s characteristic voltage begins to drop. As the voltage escapes further, the current will decrease exponentially. This phenomenon can provide a stable and regulated voltage source, making the device perfectly suitable for voltage regulation and reference applications.

In addition to Zener protection, the MMSZ5245B-G3-18 is also able to provide a low magnitude two-terminal surge protection. When a surge exceeds the Zener voltage of the diode, it will start to dissipate the excess energy, safely protecting the components against voltage bursts. Lastly, the low impedance of the diode makes it suitable for ESD protection, as it helps to reduce electrostatic damage.

In conclusion, the MMSZ5245B-G3-18 is a useful and versatile device which can serve a wide range of applications. It has low power dissipation and low leakage current, as well as a suitable Zener voltage which makes it suitable for use as a voltage reference, noise filter and overvoltage protection device. It can also be utilized as a low magnitude surge and ESD protection device, making it highly suitable for use in a wide range of electronic devices.

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