Taiwan Semiconductor Corporation
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1N4747AHR0G
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1N4747AHR0G - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage regulation in electronic circuits
  • Characteristics: Zener diode, low reverse leakage, precise voltage regulation
  • Package: Axial leaded, DO-41 package
  • Essence: Regulates voltage by allowing current to flow in reverse direction when a certain voltage is reached
  • Packaging/Quantity: Typically available in reels of 2000 units

Specifications

  • Voltage: 20V
  • Power Dissipation: 1W
  • Tolerance: ±5%
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4747AHR0G has two leads with the anode being longer than the cathode. The anode is connected to the positive side of the circuit while the cathode is connected to the negative side.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • Quick response time

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4747AHR0G operates based on the principle of the Zener effect. When the voltage across the diode reaches its breakdown voltage, it begins to conduct in the reverse direction, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

The 1N4747AHR0G is commonly used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747AHR0G include: - 1N4739A - 1N4742A - BZX55C20

This concludes the entry for the 1N4747AHR0G semiconductor diode.

10个与1N4747AHR0G在技术解决方案中的应用相关的常见问题及解答

  1. What is the 1N4747AHR0G diode used for?

    • The 1N4747AHR0G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N4747AHR0G diode?

    • The 1N4747AHR0G has a nominal voltage of 20 volts, making it suitable for applications requiring a stable 20V reference voltage.

  3. How does the 1N4747AHR0G diode regulate voltage?

    • The 1N4747AHR0G operates in the reverse-biased breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.

  4. Can the 1N4747AHR0G be used for overvoltage protection?

    • Yes, the 1N4747AHR0G can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.

  5. What are the typical applications of the 1N4747AHR0G diode?

    • Common applications include voltage regulators, voltage references, overvoltage protection circuits, and precision power supplies.

  6. What is the maximum power dissipation of the 1N4747AHR0G diode?

    • The 1N4747AHR0G has a maximum power dissipation of 1 watt, allowing it to handle moderate power levels in circuit designs.

  7. Is the 1N4747AHR0G suitable for low-current applications?

    • Yes, the 1N4747AHR0G can operate at low currents, making it versatile for various low-power electronic designs.

  8. Does the 1N4747AHR0G have temperature stability?

    • The 1N4747AHR0G exhibits good temperature stability, ensuring consistent performance across a range of operating temperatures.

  9. Can multiple 1N4747AHR0G diodes be connected in series or parallel?

    • Multiple 1N4747AHR0G diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current-handling capability.

  10. Are there any precautions to consider when using the 1N4747AHR0G diode?

    • It's important to observe the maximum power dissipation, voltage, and current ratings to prevent overstressing the diode and ensure reliable operation in the circuit.