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1N4974US
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1N4974US

Product Overview

Category

The 1N4974US belongs to the category of semiconductor diodes.

Use

It is commonly used as a rectifier in electronic circuits, converting alternating current (AC) to direct current (DC).

Characteristics

  • Forward Voltage: 1V
  • Reverse Voltage: 50V
  • Maximum Continuous Forward Current: 1A
  • Package Type: DO-41
  • Packaging/Quantity: Bulk packaging, typically available in reels of 1000 units

Specifications

The 1N4974US diode has the following specifications: - Peak Reverse Voltage: 50V - Average Rectified Current: 1A - Maximum Forward Voltage Drop: 1V - Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4974US diode has two pins, anode and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

The 1N4974US diode acts as a one-way valve for electric current, allowing it to flow in only one direction.

Advantages and Disadvantages

Advantages

  • Low forward voltage drop
  • High surge current capability
  • Fast switching speed

Disadvantages

  • Limited reverse voltage tolerance
  • Sensitivity to temperature variations

Working Principles

When a positive voltage is applied to the anode with respect to the cathode, the diode allows current to flow. However, when the voltage is reversed, the diode blocks the current flow.

Detailed Application Field Plans

The 1N4974US diode finds applications in various electronic circuits, including: - Power supplies - Voltage regulation - Signal demodulation

Detailed and Complete Alternative Models

Some alternative models to the 1N4974US diode include: - 1N4001 - 1N4148 - 1N5408 - 1N5819

In conclusion, the 1N4974US diode is a versatile semiconductor component widely used in electronic circuits for rectification and voltage regulation purposes.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de 1N4974US em soluções técnicas

  1. What is the 1N4974US diode used for?

    • The 1N4974US diode is commonly used for voltage regulation and transient suppression in electronic circuits.

  2. What is the maximum forward current rating of the 1N4974US diode?

    • The maximum forward current rating of the 1N4974US diode is typically 30 mA.

  3. What is the reverse voltage rating of the 1N4974US diode?

    • The reverse voltage rating of the 1N4974US diode is typically 100 volts.

  4. Can the 1N4974US diode be used for overvoltage protection?

    • Yes, the 1N4974US diode can be used for overvoltage protection due to its ability to handle transient voltage spikes.

  5. What is the typical junction capacitance of the 1N4974US diode?

    • The typical junction capacitance of the 1N4974US diode is around 15 pF.

  6. Is the 1N4974US diode suitable for high-frequency applications?

    • Yes, the 1N4974US diode is suitable for high-frequency applications due to its low junction capacitance.

  7. What is the operating temperature range of the 1N4974US diode?

    • The operating temperature range of the 1N4974US diode is typically -65°C to +175°C.

  8. Can the 1N4974US diode be used in rectifier circuits?

    • Yes, the 1N4974US diode can be used in rectifier circuits for converting AC to DC.

  9. Does the 1N4974US diode require a heat sink for certain applications?

    • Depending on the application and power dissipation, the 1N4974US diode may require a heat sink to maintain proper operating temperatures.

  10. What are some common applications for the 1N4974US diode?

    • Common applications for the 1N4974US diode include voltage clamping, freewheeling diodes, and general-purpose rectification in electronic circuits.