BZX84J-B4V3,115

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.3V
Tolerance:	±2%
Power - Max:	550mW
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

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Introduction

BZX84J-B4V3,115 is a type of single Zener diode, which can be utilized in various kinds of applications. The purpose of a Zener diode is to provide a safe voltage regulation and protection for an electronic circuit. In addition to a low power loss, this diode will also give great stability. This article will take a look at what the BZX84J-B4V3,115 Zener diode is used for and its working principle.

Application

The application of BZX84J-B4V3,115 is mainly as a voltage regulator connected in parallel with a voltage. When the voltage becomes too high, the electricity will flow through the BZX84J-B4V3,115 diode to the ground, which will reduce the voltage level and protect the circuit components. This diode can also be used for protecting circuits from ESD (Electrostatic Discharge) in which an electrostatic charge may transfer to the circuits, damaging the components. By connecting a BZX84J-B4V3,115 diode, the electrostatic charge will be safely discharged to the ground, protecting the circuits from any damage.

Working Principle

The working principle of the BZX84J-B4V3,115 Zener diode is based on the PN junction diode. This component is composed of a heavily doped P region and a lightly doped N region. When the voltage flowing through the PN junction is in the reverse-biased direction, the diode will operate in its Zener breakdown region. In this mode, the electric current will remain at a low level until a specific voltage is applied, which will cause the electric current to increase considerably as the electric field strength will exceed the dielectric strength in the PN junction. This specific voltage is known as the “Zener Voltage” and will remain the same regardless of the current flowing through the diode. This Zener voltage ensures that the voltage across the diode will remain constant, allowing for the diode to be used in various kinds of circuits for voltage regulation.

Conclusion

The BZX84J-B4V3,115 is a single Zener diode, which can be utilized in various kinds of applications. It is mainly used for providing a safe voltage regulation and protection for an electronic circuit. Additionally, it can be used for protection from ESD and other transients that might damage electronic devices. The working principle of the BZX84J-B4V3,115 is based on a PN junction diode. When the voltage flowing through the PN junction is in the reverse-biased direction, the voltage across the diode will remain the same, allowing for a safe voltage regulation in various kinds of circuits.

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