Taiwan Semiconductor Corporation
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1N4747A B0G
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1N4747A B0G

Product Overview

Category

The 1N4747A B0G belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 20V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape & Reel (1000 pieces)

Essence

The essence of the 1N4747A B0G lies in its ability to maintain a constant voltage across its terminals, making it suitable for various electronic circuits.

Specifications

  • Zener voltage: 20V
  • Tolerance: ±5%
  • Maximum reverse current: 5μA
  • Maximum regulator current: 49mA
  • Maximum temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4747A B0G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation: The 1N4747A B0G maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage protection: It protects 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
  • Voltage tolerance may not be suitable for some precision applications

Working Principles

The 1N4747A B0G operates based on the Zener effect, where it allows current to flow in the reverse direction when the applied voltage reaches the Zener voltage, effectively maintaining a constant voltage drop across its terminals.

Detailed Application Field Plans

The 1N4747A B0G finds application in various fields such as: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Voltage reference in instrumentation

Detailed and Complete Alternative Models

Some alternative models to the 1N4747A B0G include: - 1N4739A - 1N4742A - 1N4744A - 1N4749A

In conclusion, the 1N4747A B0G Zener diode offers precise voltage regulation and overvoltage protection, making it a versatile component in electronic circuits across different industries.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1N4747A B0G בפתרונות טכניים

  1. What is the 1N4747A B0G?

    • The 1N4747A B0G is a 1W Zener diode with a voltage rating of 20V.

  2. What are the typical applications of the 1N4747A B0G?

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

  3. What is the maximum power dissipation of the 1N4747A B0G?

    • The maximum power dissipation is 1 watt.

  4. What is the voltage tolerance of the 1N4747A B0G?

    • The voltage tolerance is typically +/- 5%.

  5. What is the operating temperature range of the 1N4747A B0G?

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

  6. Can the 1N4747A B0G be used for reverse polarity protection?

    • Yes, it can be used for reverse polarity protection due to its Zener diode characteristics.

  7. Is the 1N4747A B0G suitable for low voltage regulation?

    • Yes, it is suitable for low voltage regulation applications.

  8. What is the forward voltage drop of the 1N4747A B0G?

    • The forward voltage drop is typically around 1.2V.

  9. Can the 1N4747A B0G be used in automotive electronics?

    • Yes, it can be used in automotive electronics for voltage regulation and protection.

  10. What are some common alternatives to the 1N4747A B0G?

    • Common alternatives include other Zener diodes with similar voltage ratings such as 1N4748A B0G or 1N4746A B0G.