Taiwan Semiconductor Corporation
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BZX79B12 A0G
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BZX79B12 A0G

Product Overview

Category

The BZX79B12 A0G belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 12V
  • Power dissipation: 500mW
  • Package type: DO-35
  • Operating temperature range: -65°C to +200°C
  • Reverse leakage current: 5μA

Package

The BZX79B12 A0G is typically available in reels or tubes, with a quantity of 1000 pieces per reel/tube.

Specifications

  • Zener voltage: 12V
  • Power dissipation: 500mW
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Operating temperature: -65°C to +200°C

Detailed Pin Configuration

The BZX79B12 A0G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation: The BZX79B12 A0G maintains a constant voltage across its terminals, making it suitable for stabilizing voltage in electronic circuits.
  • Overvoltage protection: It prevents damage to sensitive components by diverting excess voltage away from the circuit.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway at high currents

Working Principles

The BZX79B12 A0G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The BZX79B12 A0G 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 BZX79B12 A0G include: - BZX79B13 A0G (Zener voltage: 13V) - BZX79B10 A0G (Zener voltage: 10V) - BZX79B15 A0G (Zener voltage: 15V)

In conclusion, the BZX79B12 A0G Zener diode is a versatile component that finds applications in various electronic circuits requiring voltage regulation and overvoltage protection.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BZX79B12 A0G في الحلول التقنية

  1. What is the BZX79B12 A0G?

    • The BZX79B12 A0G is a 12V Zener diode designed for voltage regulation and protection in electronic circuits.

  2. What are the typical applications of BZX79B12 A0G?

    • It is commonly used in voltage regulator circuits, overvoltage protection, and as a reference voltage source in various technical solutions.

  3. What is the maximum power dissipation of BZX79B12 A0G?

    • The maximum power dissipation of BZX79B12 A0G is typically around 500mW.

  4. What is the voltage tolerance of BZX79B12 A0G?

    • The voltage tolerance of BZX79B12 A0G is typically ±5%.

  5. How does BZX79B12 A0G provide voltage regulation?

    • BZX79B12 A0G operates in the reverse breakdown region, maintaining a constant voltage across its terminals when forward biased.

  6. Can BZX79B12 A0G be used for overvoltage protection?

    • Yes, BZX79B12 A0G can be used to limit the voltage across a circuit by conducting when the voltage exceeds its breakdown voltage.

  7. What is the temperature coefficient of BZX79B12 A0G?

    • The temperature coefficient of BZX79B12 A0G is typically around 5mV/°C.

  8. Is BZX79B12 A0G suitable for low-power applications?

    • Yes, BZX79B12 A0G is suitable for low-power applications due to its relatively low power dissipation.

  9. What is the maximum current that BZX79B12 A0G can handle?

    • The maximum current that BZX79B12 A0G can handle is typically around 50mA.

  10. Are there any specific precautions to consider when using BZX79B12 A0G?

    • It is important to ensure proper heat dissipation and current limiting to prevent damage to the diode. Additionally, attention should be paid to the polarity and voltage ratings to avoid incorrect connections.