MM3Z3V3T1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	3.3V
Tolerance:	±6%
Power - Max:	200mW
Impedance (Max) (Zzt):	95 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Base Part Number:	MM3Z3V3

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Introduction

A MM3Z3V3T1 is a single Zener diode, down to a SOT-23 package. It is versatile and commonly used for shunt regulation, voltage referencing, and other applications that are dependent on the diode\'s breakdown voltage. It is often used for voltage regulation and voltage clamping applications.

Design and Working Principle

The MM3Z3V3T1 is designed to operate as a Zener diode, with a reverse breakdown voltage of 3 V. It is capable of providing a regulated voltage source from any higher source voltage providing a steady current. When the diode is reverse-biased, a low-level reverse current will flow until a certain breakdown voltage is reached. At this voltage, the diode will become "active" and the amount of current that can now flow through it increases substantially. The MM3Z3V3T1 is constructed with a thin layer of N-type material, and a P-type layer. This juncture of the two layers is called the "junction interface." The "z-axis" represents the line of cut along the direction of the P-type material. The Zener breakdown voltage is determined by the amount of "impedance" at the junction interface, and the voltage applied is regulator by the amount of current flowing through the diode. When used as a shunt regulator, the diode is added to an existing circuit in parallel with another component. It works by limiting the voltage that the component can produce, allowing for a more stable voltage across the component. The diode is designed to act as a current regulator. It will begin conducting at a set voltage and pass a current dependent upon the amount of forward bias voltage.

Applications

The MM3Z3V3T1 is commonly used in various applications, such as voltage regulation, voltage clamping, and as a stabilizing element in power supply circuits.It is often used in shunt regulators, which are used to regulate voltage in circuits. In this application, the Zener diode acts as a voltage regulator and limits the amount of voltage that can pass through it, thereby stabilizing the voltage. It can also be used as a voltage-clamping device. This is done by connecting it in series with a component and it then works by limiting the amount of voltage that can pass through and protect the component from voltage spikes. It is also commonly used in power supply circuits. In these applications, it is connected in series with a power supply and acts as a voltage regulating element to keep the power supply from running above the set voltage. This helps protect the components from the power supply from being damaged due to overvoltage.

Conclusion

The MM3Z3V3T1 is a single Zener diode with a reverse voltage of 3V. It is used in many applications such as in shunt regulation, voltage referencing, and other applications where the diode\'s breakdown voltage is important. It is also used in power supply and voltage-clamping circuits to keep the voltage provided steady, and to protect the components from overvoltage.

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