PZU4.3B1,115 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.3V
Tolerance:	±2%
Power - Max:	310mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 100mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-90, SOD-323F
Supplier Device Package:	SOD-323F
Base Part Number:	PZU4V3

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Introduction

A diode is an essential feature in any electrical circuit, as it controls the flow of electric current.The Zener diode is a particular type of diode that, unlike a normal diode, allows current to flow in either direction and can also be used to regulate voltages by controlling the amount of current that is allowed to flow in either direction. One of the most commonly used Zener diodes is the PZU4.3B1,115, which has a wide range of applications and therefore is a popular choice for many engineers and technicians.

Application Field of PZU4.3B1,115

The PZU4.3B1,115 Zener diode is most often used to provide voltage regulation in circuits.It is typically applied where low voltage and very dip circuit current is required in order to achieve a stabilised output, with minimal power loss. It is also often used in motion control systems such as joystick positioning, robotics and servomotors, as well as for surveillance systems and electric shock protection circuits.The PZU4.3B1,115 is also popular due to its extended temperature range and several other features, such as its low capacitance, fast response time, low ESR and high reverse current. Its features make it an ideal choice for many applications and industries, such as automotive, audio/video, communications, industrial and medical. It is also suitable for use in harsh environments due to its military-grade temperature range.

Working Principle of PZU4.3B1,115

The PZU4.3B1,115 Zener diode is a form of voltage regulator, and it works by regulating a voltage drop across its terminals. This means that it has a controlled breakdown voltage, which is set at 4.3 volts. When the voltage across its terminals is increased, this breakdown voltage is reached and a reverse current will flow, which causes a voltage drop between the terminals. This voltage drop is known as the knee voltage of the diode, and it will be approximately equal to the desired output voltage. As the voltage across the diode increases, the current flowing through it increases until the maximum rated current is reached, at which point no further increase in the output voltage is possible.

Conclusion

The PZU4.3B1,115 Zener diode is an extremely useful device, and it has a wide range of applications in a variety of industries. Its low-voltage, low-current regulation allows it to be used in many circumstances where a small current or voltage is required, and its temperature range and other features make it suitable for both indoor and outdoor use. Its working principle is relatively simple, as it regulates a voltage drop across its terminals by allowing a current to flow when the voltage is increased beyond its threshold. This makes it an invaluable tool for many engineers and technicians, and it is sure to remain popular for many years to come.

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