BZX79B3V9 A0G

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±2%
Power - Max:	500mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	1mA @ 10V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 100mA
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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The BZX79B3V9 A0G is a type of single Zener diode which is used for various purposes. It complements other semiconductor components and devices in a variety of ways. In this article, we\'ll explore the application fields and working principles of this diode.This Zener diode is a single-layer, planar, silicon-controlled rectifier. It is used for various purposes, including voltage regulation, current limiting, and peak current-limiting. It is typically used in applications where the Zener voltage must be tightly regulated, or the current is limited. It is also occasionally used in analog-to-digital and digital-to-analog converters.This diode typically has a reverse-current breakdown voltage range of 9.1 - 9.3 volts, with a breakdown voltage tolerance of +/- 0.2 vols. The current consumption at rated voltage is 8.0 mA, with a maximum capacitance of 0.1 pF. The Zener impedance at rated voltage is 30 ohms and the reverse leakage current is 75µA.This single Zener diode has a variety of uses, most notably in power supplies, signal conditioning circuits, temperature regulators, and over-voltage protection. It is also used in applications that require an adjustable reference voltage. This diode can be used to provide a stable voltage output from a variable input voltage. The BZX79B3V9 A0G also has a common usein digital logic circuits, as a surge protector for digital logic circuits. It provides a voltage reference for digital logic ICs, protecting them from voltage fluctuations. Additionally, it helps to protect against current spikes that could otherwise damage the ICs. This Zener diode has an advantage over other Zener diodes in that it can be used in applications that require very low breakdown voltages. This type of diode is often used in applications such as regulators and converters. In terms of working principles, the BZX79B3V9 A0G functions in two ways. Firstly, as a voltage regulator, by maintaining a constant voltage across the anode and cathode. This is accomplished by providing a reference voltage to the Zener diode, and then using a voltage divider across the Zener diode to adjust the voltage. Secondly, it functions as a current limiter by limiting the maximum current that can pass through the diode. This is achieved by mounting the diode in reverse bias, thus creating a \'reverse breakdown voltage\'. This voltage is lower than the normal forward bias voltage, and it is used to prevent excessive current from passing through the diode. In conclusion, the BZX79B3V9 A0G is a single Zener diode which has a range of uses. It is most commonly used in applications that require voltage regulation, current limiting, and peak current limiting. It is also used as a surge protector in digital logic circuits. Its two primary working principles are voltage regulation and current limiting.

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