BZX84C3V9 - Encyclopedia Entry
Product Overview
Category
The BZX84C3V9 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Low power dissipation
- Small surface mount package
- Wide voltage range
Package
The BZX84C3V9 is typically available in a SOT-23 package.
Essence
This Zener diode is essential for maintaining a stable voltage level in various electronic applications.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Voltage: 3.9V
- Power Dissipation: 350mW
- Zener Current: 5mA
- Operating Temperature Range: -65°C to +150°C
Detailed Pin Configuration
The BZX84C3V9 has three pins: 1. Cathode 2. Anode 3. No Connection (NC)
Functional Features
- Precise voltage regulation
- Overvoltage protection
- Compact size for space-constrained designs
Advantages
- Small form factor
- Reliable voltage regulation
- Cost-effective solution for circuit protection
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The BZX84C3V9 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.
Detailed Application Field Plans
The BZX84C3V9 is widely used in: - Voltage regulators - Overvoltage protection circuits - Portable electronic devices
Detailed and Complete Alternative Models
Some alternative models to the BZX84C3V9 include: - BZX84C3V6 - BZX84C4V3 - BZX84C5V1
In conclusion, the BZX84C3V9 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide voltage range make it suitable for various applications, although designers should consider its limitations in power dissipation and temperature sensitivity when selecting alternatives.
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What is the BZX84C3V9?
- The BZX84C3V9 is a 3.9V Zener diode designed for voltage regulation and protection in electronic circuits.
What are the typical applications of BZX84C3V9?
- It is commonly used for voltage reference, voltage clamping, and surge suppression in various technical solutions.
What is the maximum power dissipation of BZX84C3V9?
- The maximum power dissipation of BZX84C3V9 is typically around 300mW.
What is the voltage tolerance of BZX84C3V9?
- The voltage tolerance of BZX84C3V9 is usually around ±5%.
How does BZX84C3V9 provide voltage regulation?
- BZX84C3V9 operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when the current is within specified limits.
Can BZX84C3V9 be used for overvoltage protection?
- Yes, BZX84C3V9 can be used to protect sensitive components from overvoltage by shunting excess current away from the protected circuit.
What is the temperature coefficient of BZX84C3V9?
- The temperature coefficient of BZX84C3V9 is typically around 5mV/°C.
Is BZX84C3V9 suitable for low-power applications?
- Yes, BZX84C3V9 is suitable for low-power applications due to its relatively low power dissipation and voltage regulation capabilities.
What is the maximum forward voltage of BZX84C3V9?
- The maximum forward voltage of BZX84C3V9 is typically around 1V at a specified forward current.
Are there any specific layout considerations when using BZX84C3V9?
- It is important to minimize lead lengths and ensure proper heat sinking to maintain the stability and reliability of BZX84C3V9 in technical solutions.