Taiwan Semiconductor Corporation
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1N4749A R1G
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1N4749A R1G

Product Overview

The 1N4749A 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 applications. The 1N4749A R1G is known for its precise voltage regulation capabilities and comes in a standard DO-41 package. This product is commonly used in power supplies, voltage regulators, and other electronic devices where stable voltage references are required.

Basic Information

  • Category: Zener Diode
  • Use: Voltage regulation and protection
  • Characteristics: Precise voltage regulation, low impedance, and high reliability
  • Package: DO-41
  • Essence: Stable voltage reference
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Voltage: 24V
  • 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 1N4749A R1G has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Anode (A) - Cathode (K)

Functional Features

  • Precise voltage regulation at 24V
  • Low impedance
  • High reliability and stability

Advantages and Disadvantages

Advantages

  • Provides stable voltage reference
  • Suitable for voltage regulation and protection
  • Low impedance allows for efficient current flow

Disadvantages

  • Zener voltage tolerance of ±5% may not be suitable for highly precise applications
  • Limited power dissipation capability compared to other diode types

Working Principles

The 1N4749A R1G operates based on the Zener effect, which causes it to conduct in reverse-biased conditions when the voltage across it reaches the specified Zener voltage. This characteristic allows the diode to regulate the voltage by diverting excess current, thereby maintaining a constant output voltage.

Detailed Application Field Plans

The 1N4749A R1G finds extensive use in various electronic applications, including: - Power supply units - Voltage regulators - Electronic instrumentation - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1N4733A: 5.1V Zener diode
  • 1N4736A: 6.2V Zener diode
  • 1N4742A: 12V Zener diode
  • 1N4754A: 27V Zener diode

In conclusion, the 1N4749A R1G Zener diode is a crucial component in electronic circuits requiring stable voltage regulation and protection. Its precise voltage regulation, low impedance, and high reliability make it an ideal choice for a wide range of applications.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του 1N4749A R1G σε τεχνικές λύσεις

  1. What is the 1N4749A R1G?

    • The 1N4749A R1G is a 24V, 1W Zener diode commonly used for voltage regulation in electronic circuits.

  2. What are the typical applications of the 1N4749A R1G?

    • It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various technical solutions.

  3. What is the maximum power dissipation of the 1N4749A R1G?

    • The maximum power dissipation of the 1N4749A R1G is 1 watt.

  4. What is the voltage tolerance of the 1N4749A R1G?

    • The voltage tolerance of the 1N4749A R1G is +/- 5%.

  5. What is the operating temperature range of the 1N4749A R1G?

    • The operating temperature range of the 1N4749A R1G is -65°C to +200°C.

  6. How do I identify the cathode and anode of the 1N4749A R1G?

    • The cathode of the 1N4749A R1G is typically marked with a band or a line on the body of the diode.

  7. Can the 1N4749A R1G be used for reverse polarity protection?

    • Yes, the 1N4749A R1G can be used for reverse polarity protection in electronic circuits.

  8. What is the forward voltage drop of the 1N4749A R1G?

    • The forward voltage drop of the 1N4749A R1G is approximately 1.2V.

  9. Is the 1N4749A R1G suitable for high-frequency applications?

    • No, the 1N4749A R1G is not suitable for high-frequency applications due to its inherent limitations.

  10. Can multiple 1N4749A R1G diodes be connected in series or parallel?

    • Yes, multiple 1N4749A R1G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.