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BZX85C3V9 - Diode Encyclopedia Entry
Introduction
The BZX85C3V9 is a diode belonging to the category of Zener diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX85C3V9 diode.
Basic Information Overview
- Category: Zener diode
- Use: Voltage regulation and protection in electronic circuits
- Characteristics: Reverse breakdown voltage of 3.9V, low impedance, high reliability
- Package: Axial leaded package
- Essence: Provides stable voltage regulation and protection against voltage spikes
- Packaging/Quantity: Typically available in reels or bulk packaging
Specifications
- Voltage: 3.9V
- Power Dissipation: 1.3W
- Zener Impedance: 5Ω
- Operating Temperature Range: -65°C to +200°C
- Tolerance: ±5%
Detailed Pin Configuration
The BZX85C3V9 diode has an axial leaded package with two leads. The cathode is typically marked by a band on the body of the diode.
Functional Features
- Provides stable voltage regulation at 3.9V
- Protects circuits from voltage spikes and surges
- Low impedance allows for efficient current flow
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- High reliability
- Low cost
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Tolerance of ±5% may not be suitable for some applications
Working Principles
The BZX85C3V9 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased. When the voltage across the diode reaches its breakdown voltage of 3.9V, it conducts current to regulate the voltage.
Detailed Application Field Plans
The BZX85C3V9 diode finds extensive use in various electronic circuits, including: - Voltage regulation in power supplies - Overvoltage protection in automotive electronics - Signal clamping and limiting in communication systems - Voltage reference in precision measurement equipment
Detailed and Complete Alternative Models
Some alternative models to the BZX85C3V9 diode include: - 1N4728A (3.3V) - BZT52C3V6 (3.6V) - BZX79C3V9 (3.9V)
In conclusion, the BZX85C3V9 Zener diode offers precise voltage regulation and protection in electronic circuits, making it a versatile component in various applications.
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Énumérez 10 questions et réponses courantes liées à l'application de BZX85C3V9 dans les solutions techniques
What is the maximum power dissipation of BZX85C3V9?
- The maximum power dissipation of BZX85C3V9 is 1.3W.
What is the voltage tolerance of BZX85C3V9?
- The voltage tolerance of BZX85C3V9 is ±5%.
What is the operating temperature range for BZX85C3V9?
- The operating temperature range for BZX85C3V9 is -65°C to +175°C.
What is the typical forward voltage drop of BZX85C3V9?
- The typical forward voltage drop of BZX85C3V9 is 1.2V at 200mA.
What are the applications of BZX85C3V9?
- BZX85C3V9 is commonly used in voltage regulation, overvoltage protection, and general electronic circuits.
What is the maximum reverse leakage current of BZX85C3V9?
- The maximum reverse leakage current of BZX85C3V9 is 5µA at its rated voltage.
What is the package type of BZX85C3V9?
- BZX85C3V9 is available in a DO-41 axial leaded package.
What is the breakdown voltage of BZX85C3V9?
- The breakdown voltage of BZX85C3V9 is 3.9V.
Is BZX85C3V9 RoHS compliant?
- Yes, BZX85C3V9 is RoHS compliant.
What are the key differences between BZX85C3V9 and other Zener diodes?
- BZX85C3V9 has a higher power dissipation and a lower voltage tolerance compared to many other Zener diodes, making it suitable for specific applications requiring these characteristics.