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BZX85B4V3-TR
Product Overview
Category
The BZX85B4V3-TR belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 4.3V
- Power dissipation: 1.3W
- Package type: DO-41
- Reverse leakage current: 5µA
- Operating temperature range: -65°C to +200°C
Package
The BZX85B4V3-TR is typically available in a DO-41 package.
Essence
This Zener diode is essential for maintaining stable voltage levels in various electronic applications.
Packaging/Quantity
It is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 4.3V
- Power dissipation: 1.3W
- Maximum forward voltage: 1.2V
- Reverse current: 5µA
- Temperature coefficient: 0.07%/°C
Detailed Pin Configuration
The BZX85B4V3-TR has two pins, anode, and cathode, which are identified by the physical orientation of the diode within the DO-41 package.
Functional Features
- Voltage regulation: The Zener diode maintains a constant voltage across its terminals.
- Overvoltage protection: It conducts when the voltage exceeds its breakdown voltage, protecting the circuitry downstream.
Advantages
- Precise voltage regulation
- Overvoltage protection
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The BZX85B4V3-TR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.
Detailed Application Field Plans
Voltage Regulation
The Zener diode can be used in voltage regulator circuits to maintain a stable output voltage despite fluctuations in input voltage.
Overvoltage Protection
It can be employed in electronic systems to protect sensitive components from damage due to overvoltage conditions.
Detailed and Complete Alternative Models
- BZX85C4V3-TR
- BZX85B4V7-TR
- BZX85B5V1-TR
In conclusion, the BZX85B4V3-TR Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its characteristics, working principles, and application field plans make it an essential part of various electronic systems.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BZX85B4V3-TR trong giải pháp kỹ thuật
What is the BZX85B4V3-TR?
- The BZX85B4V3-TR is a 4.3V Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.
What are the typical applications of the BZX85B4V3-TR?
- It is commonly used in voltage regulator circuits, voltage reference circuits, and as a protective element against voltage spikes in various electronic devices.
What is the maximum power dissipation of the BZX85B4V3-TR?
- The maximum power dissipation is typically around 1.3W, making it suitable for low to moderate power applications.
What is the voltage tolerance of the BZX85B4V3-TR?
- The voltage tolerance is typically ±5%, ensuring stable and accurate voltage regulation.
What is the operating temperature range of the BZX85B4V3-TR?
- The operating temperature range is usually between -65°C to +175°C, allowing for reliable performance in various environmental conditions.
How does the BZX85B4V3-TR protect against overvoltage?
- When the voltage across the diode exceeds its breakdown voltage (4.3V), it conducts current to limit the voltage and protect the downstream circuitry.
Can the BZX85B4V3-TR be used in reverse bias?
- Yes, it can be used in reverse bias as a voltage clamp to protect sensitive components from excessive voltage.
What are the package options available for the BZX85B4V3-TR?
- The BZX85B4V3-TR is commonly available in DO-41 axial leaded package and SOD-66 surface mount package.
Is the BZX85B4V3-TR RoHS compliant?
- Yes, it is typically compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally conscious designs.
What are some common alternatives to the BZX85B4V3-TR?
- Some common alternatives include the 1N4731A, 1N4732A, and 1N4733A Zener diodes, which have similar voltage ratings and characteristics.