PLZ3V3B-HG3/H Discrete Semiconductor Products

Series:	Automotive, AEC-Q101, PLZ
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.43V
Tolerance:	±3.07%
Power - Max:	960mW
Impedance (Max) (Zzt):	70 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-219AC
Supplier Device Package:	DO-219AC (microSMF)

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Diodes - Zener - Single: PLZ3V3B-HG3/H Application Field and Working Principle

The PLZ3V3B-HG3/H belongs to the family of single diodes, more specifically to the Zener diodes, which have the ability to create and maintain a regulated voltage. This property of Zener diodes is what makes them so attractive and useful within many applications. This article provides a brief overview of the application fields for the PLZ3V3B-HG3/H and a summary of its principle of operation. The PLZ3V3B-HG3/H is a single, thermally-limited Zener diode designed to produce a forward voltage drop of 3.3V and have a power-dissipation of 1W. It has a maximum current rating of 150mA, a series resistance of approximately 30Ω and a leakage current of 1uA. It is available in a SOD-123 package and is suitable for use in medium power applications.Due to its characteristics, the PLZ3V3B-HG3/H is suitable for a variety of applications. One of the most popular applications is voltage regulation, where the Zener diode is used to provide a stable output voltage in the presence of high input voltage. This is often used in low-voltage power supplies and motor control systems.The PLZ3V3B-HG3/H is also suitable for over-voltage protection, acting as a shunt for high-voltage spikes. When the voltage exceeds the Zener voltage, the diode conducts, limiting the voltage applied to the protected circuit. This protects sensitive components from being damaged due to high voltages.The PLZ3V3B-HG3/H is also used for switching applications and as a voltage reference. It is used in switching circuits to provide a low impedance path for current flow in the on state. In voltage reference applications, the diode is used to provide a stable voltage reference for other components in the circuit.The Zener effect is the principle of operation of the PLZ3V3B-HG3/H and all other Zener diodes. When the voltage across the diode exceeds the Zener voltage, the diode begins to conduct. This allows current to freely flow in the reverse direction, resulting in a regulated voltage output. The Zener voltage can be adjusted by changing the diode temperature, thus allowing the output voltage of the diode to be regulated.In summary, the PLZ3V3B-HG3/H is a single, thermally-limited Zener diode that provides voltage regulation, over-voltage protection, switching, and voltage reference applications. Its principle of operation is based on the Zener effect, which allows the diode to produce a regulated output voltage when the applied voltage exceeds the Zener voltage.

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