Taiwan Semiconductor Corporation
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BZX79C3V9 A0G
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BZX79C3V9 A0G

Product Overview

Category

The BZX79C3V9 A0G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 3.9V
  • Power dissipation: 500mW
  • Package type: Axial leaded
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Package

The BZX79C3V9 A0G is typically available in a DO-35 package.

Essence

This Zener diode is essential for maintaining stable voltage levels in various electronic applications.

Packaging/Quantity

It is usually packaged in reels or bulk quantities, depending on the supplier.

Specifications

  • Zener voltage: 3.9V
  • Power dissipation: 500mW
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The BZX79C3V9 A0G has two pins, with the cathode being shorter than the anode in the axial leaded package.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Low reverse leakage current
  • Wide operating temperature range

Advantages

  • Reliable voltage regulation
  • Compact size
  • Wide temperature range operation

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The BZX79C3V9 A0G operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX79C3V9 A0G include: - BZX55C3V9 - BZT52C3V9 - 1N4728A

In conclusion, the BZX79C3V9 A0G Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide operating temperature range make it suitable for various applications, although it has limitations in power dissipation and sensitivity to temperature changes. Understanding its specifications, pin configuration, functional features, and alternatives is essential for effective utilization in electronic designs.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BZX79C3V9 A0G trong giải pháp kỹ thuật

  1. What is the BZX79C3V9 A0G?

    • The BZX79C3V9 A0G is a 3.9V Zener diode with a tolerance of ±5%.

  2. What are the typical applications of BZX79C3V9 A0G?

    • It is commonly used in voltage regulation, overvoltage protection, and signal clamping circuits.

  3. What is the maximum power dissipation of BZX79C3V9 A0G?

    • The maximum power dissipation is 500mW.

  4. What is the operating temperature range for BZX79C3V9 A0G?

    • The operating temperature range is -65°C to +200°C.

  5. What is the forward voltage of BZX79C3V9 A0G?

    • The forward voltage is typically 1.2V at 200mA.

  6. What is the reverse leakage current of BZX79C3V9 A0G?

    • The reverse leakage current is typically 5μA at 2V.

  7. Can BZX79C3V9 A0G be used for voltage reference applications?

    • Yes, it can be used as a stable voltage reference in various electronic circuits.

  8. Is BZX79C3V9 A0G suitable for low-power applications?

    • Yes, it is suitable for low-power applications due to its low power dissipation.

  9. What are the package options available for BZX79C3V9 A0G?

    • It is available in various packages such as DO-35, MiniMELF, and SOD-123.

  10. Are there any specific handling considerations for BZX79C3V9 A0G?

    • It should be handled carefully to avoid electrostatic discharge (ESD) and mechanical damage during assembly and use.