PZU3.3B1A,115

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.3V
Tolerance:	±2%
Power - Max:	320mW
Impedance (Max) (Zzt):	95 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 100mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Base Part Number:	PZU3V3

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Introduction

The PZU3.3B1A,115 is a single Zener diode. It has a wide range of applications and can be used in many different types of circuits. This article will discuss the application field and working principle of PZU3.3B1A,115.

The Application Field of PZU3.3B1A,115

The PZU3.3B1A,115 can be used in a variety of electronic circuits. It can be used as a voltage regulator, current limiter, voltage reference, voltage clipper, or even as a switching device. This Zener diode is particularly useful in applications where a high degree of accuracy and reliability is needed.

Voltage Regulator/Clipper

One of the primary application of the PZU3.3B1A,115 is as a voltage regulator or clipper. By using the Zener voltage of the device, it can be used to regulate the output voltage in a power supply circuit. The device can also be used to clip an input signal to a specific level. This is useful for preventing the signal from reaching levels that could cause damage or performance loss.

Current Limiter

Another common application of the PZU3.3B1A,115 is as a current limiter. The device can be used to prevent the surge current from exceeding a certain level. This is important in many safety applications. The device can also be used as a current limit to protect sensitive components from being fried by sudden increases in current.

Voltage Reference

The PZU3.3B1A,115 can also be used as a voltage reference. By using the Zener voltage of the device, it can be used to create a reference voltage in a circuit. This is useful for providing stable and accurate voltage references, which can be used to calibrate and regulate other components in the circuit.

Working Principle of PZU3.3B1A,115

The working principle of the PZU3.3B1A,115 is relatively simple. The device consists of two terminals: an anode and a cathode. When a voltage is applied to the anode, it causes electrons to flow across the junction. This generates a current which passes through the device. The magnitude of the current is limited to the Zener voltage of the device.

Forward Bias

In forward bias operation, the anode is connected to a higher voltage than the cathode. This causes electrons to flow across the junction and generates a current through the device. The magnitude of the current is limited to the Zener voltage of the device.

Reverse Bias

In reverse bias operation, the anode is connected to a lower voltage than the cathode. This prevents electrons from flowing across the junction and the current through the device is zero. However, the Zener voltage of the device limits the voltage across the device so that it cannot exceed the Zener voltage.

Conclusion

The PZU3.3B1A,115 is a single Zener diode. It has a wide range of applications including use as a voltage regulator, current limiter, voltage reference, and voltage clipper. The device operates on a simple principle in which the current through the diode is limited to the Zener voltage of the device.

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