MMSZ4692-E3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	6.8V
Tolerance:	±5%
Power - Max:	500mW
Current - Reverse Leakage @ Vr:	10µA @ 5.1V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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Introduction

MMSZ4692-E3-18 is type of Zener diode, which is a semiconductor device that allows electric current to flow in one direction only. It is used to regulate voltage in a wide variety of applications, such as power supplies, circuit protection and even amplifiers. It has a low threshold voltage and is suitable for use in low voltage applications. This article will focus on the application field and working principle of the MMSZ4692-E3-18.

Application Field

MMSZ4692-E3-18 can be applied in a wide range of applications. Its most typical use is in power supplies, especially in computers and consumer electronics. It provides reliable voltage regulation, and can be used to prevent overvoltage and electrical surges.It is also widely used in reverse voltage protection, or ‘crowbar’ protection, in which the diode disconnects current if the voltage rises to a predetermined level. MMSZ4692-E3-18 is very suitable for such applications, as it has a low breakdown voltage and can handle high current. Lastly, MMSZ4692-E3-18 can also be used in amplifiers, as it helps to ensure that the amplifier’s voltage is maintained at a set level. This is important for the proper functioning of the amplifier, as it prevents the output signal from exceeding the maximum voltage level.

Working Principle

The MMSZ4692-E3-18 operates on the principle of the zener breakdown effect, in which electron-hole pairs are created at a specific voltage, allowing electric current to flow in both directions. The zener voltage is the voltage at which the zener breakdown effect occurs, and it dictates the reverse breakdown voltage of the diode. When forward biased, MMSZ4692-E3-18 allows current to flow only in the forward direction. When biased in reverse, the diode begins to conduct current only when the reverse voltage reaches the diode’s breakdown voltage. At this point, a large amount of current flows and the voltage is maintained at the breakdown voltage.

Conclusion

MMSZ4692-E3-18 is a type of Zener diode used for voltage regulation, reverse voltage protection and amplifiers. It operates on the principle of the zener breakdown effect, in which electron-hole pairs are created at a specific voltage, allowing electric current to flow in both directions. It is a reliable, low-cost component and can be used in a wide range of applications.

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