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1N4745A R1G
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1N4745A R1G

Product Overview

The 1N4745A R1G belongs to the category of Zener diodes, which are widely used in electronic circuits for voltage regulation and protection. These diodes exhibit unique characteristics that make them essential components in various electronic applications. The 1N4745A R1G is known for its precise voltage regulation capabilities and robust packaging, making it suitable for a wide range of electronic devices.

Basic Information

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, high reliability, low impedance
  • Package: Axial leaded package
  • Essence: Essential for maintaining stable voltage levels in electronic circuits
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage: 16V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C
  • Storage Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4745A R1G features an axial leaded package with two leads. The cathode is denoted by a black band on one end of the diode, while the anode is located at the opposite end.

Functional Features

  • Precise Voltage Regulation: The 1N4745A R1G maintains a constant voltage across its terminals, ensuring stability in electronic circuits.
  • Overvoltage Protection: Acts as a safeguard against excessive voltage spikes, protecting sensitive components in the circuit.
  • Low Impedance: Minimizes the impact on the overall circuit impedance, enabling efficient voltage regulation.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Robust construction for enhanced durability
  • Wide operating temperature range

Disadvantages

  • Limited voltage range compared to other Zener diodes
  • Sensitive to temperature variations

Working Principles

The 1N4745A R1G operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when operated in the reverse breakdown region. This allows it to regulate the voltage in electronic circuits by diverting excess current when the voltage exceeds the specified level.

Detailed Application Field Plans

The 1N4745A R1G finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in communication systems - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

  • 1N4733A R1G (5.1V Zener voltage)
  • 1N4756A R1G (47V Zener voltage)
  • 1N4764A R1G (100V Zener voltage)

In conclusion, the 1N4745A R1G Zener diode plays a crucial role in maintaining stable voltage levels in electronic circuits, making it an indispensable component in numerous electronic devices and systems.

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10個與1N4745A R1G在技術方案中應用相關的常見問題與解答

  1. What is the 1N4745A R1G?

    • The 1N4745A R1G is a Zener diode with a voltage rating of 16V and a power rating of 1W.

  2. What are the typical applications of the 1N4745A R1G?

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

  3. What is the maximum current that can flow through the 1N4745A R1G?

    • The maximum current for reliable operation is typically around 100mA.

  4. How does the 1N4745A R1G provide voltage regulation?

    • It operates in the reverse breakdown region to maintain a nearly constant voltage across its terminals.

  5. Can the 1N4745A R1G be used for overvoltage protection?

    • Yes, it can be used to clamp the voltage at a specific level, protecting downstream components from excessive voltage.

  6. What are the key specifications to consider when using the 1N4745A R1G in a circuit?

    • Voltage rating, power dissipation, and maximum current are important parameters to consider.

  7. Are there any temperature considerations when using the 1N4745A R1G?

    • Yes, the operating and storage temperature ranges should be taken into account to ensure proper performance.

  8. Can multiple 1N4745A R1G diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.

  9. What are some common alternatives to the 1N4745A R1G?

    • Other Zener diodes with similar voltage and power ratings, such as the 1N4746A or 1N4744A, can be considered as alternatives.

  10. Where can I find detailed application notes for using the 1N4745A R1G in technical solutions?

    • Manufacturers' datasheets, application notes, and online resources provide comprehensive information on using the 1N4745A R1G in various technical solutions.