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1N4747ATR
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1N4747ATR

Product Overview

Category

The 1N4747ATR 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
  • Storage temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4747ATR is typically available in reels or bulk packaging with varying quantities, depending on the supplier.

Specifications

  • Zener voltage: 20V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4747ATR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High reliability and stability

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Wide operating temperature range
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4747ATR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1N4747ATR is widely used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747ATR include: - 1N4739A - 1N4742A - BZX55C20

In conclusion, the 1N4747ATR Zener diode is a crucial component in electronic circuits requiring precise voltage regulation and reference. Its compact package, stable characteristics, and wide application field make it a popular choice among engineers and hobbyists alike.

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技術ソリューションにおける 1N4747ATR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4747ATR?

    • The 1N4747ATR is a 1W Zener diode with a voltage rating of 20V.

  2. What are the typical applications of the 1N4747ATR?

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

  3. What is the maximum power dissipation of the 1N4747ATR?

    • The maximum power dissipation is 1W.

  4. What is the voltage tolerance of the 1N4747ATR?

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

  5. What is the operating temperature range of the 1N4747ATR?

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

  6. Can the 1N4747ATR be used for reverse polarity protection?

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

  7. What is the package type of the 1N4747ATR?

    • The 1N4747ATR comes in a DO-41 package.

  8. Is the 1N4747ATR RoHS compliant?

    • Yes, it is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. What are some common alternatives to the 1N4747ATR?

    • Common alternatives include the 1N4747A, BZX85C20, and 1N4747.

  10. How should I select the appropriate current limiting resistor for the 1N4747ATR?

    • The current limiting resistor can be calculated using Ohm's law, considering the desired current and the voltage drop across the diode.

Please let me know if you need further assistance!