SZMMSZ24T3G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	24V
Tolerance:	--
Power - Max:	500mW
Impedance (Max) (Zzt):	70 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 16.8V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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Introduction

The SZMMSZ24T3G is a single Zener diode that is used for applications such as voltage regulation and precision reference voltage generation. This diode is also referred to as a Zener diode, Zenner diode, or breakdown diode because of its principle of operation which results in a breakdown allowing the current to flow in the reverse direction at a controlled voltage level. The SZMMSZ24T3G is used in a wide variety of applications and will be discussed further in the article.

Application Field

The SZMMSZ24T3G is used in a wide range of applications. It is used in power supplies, amplifiers, circuit protection, and voltage regulation, among other things. In a power supply, the diode is used to maintain the voltage across the load constant. In amplifiers, it helps to maintain a steady power supply which enables the amplifier to have optimal performance. The SZMMSZ24T3G is also used in circuit protection applications to ensure that voltage levels do not exceed the maximum ratings of other components. It can also be used in voltage regulation applications, where it is used to maintain a constant voltage output as the input voltage varies.

Working Principle

The SZMMSZ24T3G is a single Zener diode which means that it has one PN junction. It functions as a voltage reference and will maintain a constant voltage across its terminals regardless of the applied voltage or current. The operation of the diode is based on two different principles: the avalanche breakdown principle and the Zener breakdown principle. The avalanche breakdown principle states that when an applied voltage is increased beyond the breakdown voltage of the diode, a large number of carriers (electrons or holes) in the junction region will become energized enough to cause a large current to flow quickly, referred to as an avalanche current. The Zener breakdown principle states that when the applied voltage exceeds the specific breakdown voltage of the diode, electrons and holes will recombine and electrons will be forced in the opposite direction to create a steady current flow. This results in a constant voltage across the terminals of the diode.

Conclusion

The SZMMSZ24T3G is a single Zener diode that is used for a variety of applications such as power supplies, amplifiers, circuit protection, and voltage regulation. It has two basic operating principles, the avalanche breakdown principle and the Zener breakdown principle. The avalanche breakdown principle states that when an applied voltage is increased beyond the breakdown voltage of the diode, a large number of carriers (electrons or holes) in the junction region will become energized enough to cause a large current to flow quickly, referred to as an avalanche current. The Zener breakdown principle states that when the applied voltage exceeds the specific breakdown voltage of the diode, electrons and holes will recombine and electrons will be forced in the opposite direction to create a steady current flow, resulting in a constant voltage across the terminals of the diode. These two principles combined allow the diode to maintain a constant voltage across the load independent of the applied voltage or current.

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