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1N747A
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1N747A Diode

Product Overview

Category:

The 1N747A diode belongs to the category of semiconductor devices.

Use:

It is commonly used in electronic circuits for various applications such as rectification, signal demodulation, and voltage regulation.

Characteristics:

  • Forward Voltage: 1V
  • Reverse Voltage: 50V
  • Maximum Continuous Current: 150mA
  • Package Type: DO-35
  • Operating Temperature Range: -65°C to +175°C

Packaging/Quantity:

The 1N747A diode is typically packaged in reels or tubes and is available in quantities ranging from hundreds to thousands per package.

Specifications

  • Forward Voltage Drop: 1V
  • Reverse Voltage: 50V
  • Maximum Continuous Current: 150mA
  • Power Dissipation: 500mW
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N747A diode has two pins, anode (A) and cathode (K), which are identified by a color band on the body of the diode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The 1N747A diode is designed to allow current to flow in only one direction, making it suitable for use in rectifier circuits and voltage regulation applications. It also exhibits low forward voltage drop and fast switching characteristics.

Advantages and Disadvantages

Advantages

  • Low forward voltage drop
  • Fast switching speed
  • Small form factor

Disadvantages

  • Limited reverse voltage tolerance
  • Moderate maximum continuous current rating

Working Principles

The 1N747A diode operates based on the principle of semiconductor junction behavior, allowing current to flow in one direction when forward biased and blocking current flow when reverse biased.

Detailed Application Field Plans

The 1N747A diode finds extensive use in the following applications: - Rectification in power supplies - Signal demodulation in communication circuits - Voltage regulation in electronic systems

Detailed and Complete Alternative Models

Some alternative models to the 1N747A diode include: - 1N914 - 1N4148 - 1N4001

In conclusion, the 1N747A diode is a versatile semiconductor device with applications in various electronic circuits, offering advantages such as low forward voltage drop and fast switching speed. However, it is important to consider its limitations, such as its moderate maximum continuous current rating and limited reverse voltage tolerance, when selecting it for specific applications.

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技術ソリューションにおける 1N747A 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 1N747A?

    • 1N747A is a silicon diode commonly used in electronic circuits for voltage regulation and signal processing.

  2. What are the typical applications of 1N747A?

    • It is commonly used in voltage regulation, clipping, clamping, and protection circuits in electronic devices.

  3. What is the forward voltage drop of 1N747A?

    • The forward voltage drop of 1N747A is typically around 0.7 volts at a specified current.

  4. What is the maximum reverse voltage rating of 1N747A?

    • The maximum reverse voltage rating of 1N747A is typically around 75 volts.

  5. How does 1N747A compare to other diodes in terms of performance?

    • 1N747A has similar characteristics to other general-purpose silicon diodes, but its specific voltage and current ratings make it suitable for certain applications.

  6. Can 1N747A be used for rectification purposes?

    • Yes, 1N747A can be used for low-power rectification applications due to its forward voltage drop and reverse voltage rating.

  7. What are the temperature limitations of 1N747A?

    • 1N747A is typically rated for operation within a temperature range of -65°C to 175°C.

  8. Are there any special considerations when using 1N747A in high-frequency circuits?

    • Due to its inherent capacitance and switching characteristics, 1N747A may not be suitable for very high-frequency applications.

  9. Can 1N747A be used in precision voltage reference circuits?

    • While 1N747A can provide a stable voltage drop, its tolerance and temperature stability may not be sufficient for precision voltage reference applications.

  10. What are some common failure modes of 1N747A and how can they be mitigated?

    • Common failure modes include overvoltage breakdown and thermal overstress. These can be mitigated by ensuring proper voltage and power dissipation ratings are observed, and by implementing adequate thermal management in the circuit design.