Central Semiconductor Corp
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1N4743A TR
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1N4743A TR

Product Overview

Category

The 1N4743A TR belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Storage temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4743A TR is typically available in reels or tubes, with quantities varying based on manufacturer and distributor specifications.

Specifications

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4743A TR has two pins, anode and cathode, which are identified by the orientation of the diode within the DO-41 package.

Functional Features

The 1N4743A TR provides a stable and precise voltage reference, maintaining a constant voltage across its terminals when operated within its specified parameters.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • Sensitive to reverse voltage and current fluctuations

Working Principles

The 1N4743A TR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The 1N4743A TR finds extensive use in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference sources

Detailed and Complete Alternative Models

Some alternative models to the 1N4743A TR include: - 1N4739A - 1N4742A - BZX55C13

In conclusion, the 1N4743A TR Zener diode offers precise voltage regulation and reference capabilities, making it a crucial component in many electronic applications.

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기술 솔루션에 1N4743A TR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of 1N4743A TR:

  1. What is the voltage rating of 1N4743A TR?

    • The voltage rating of 1N4743A TR is 13 volts.

  2. What is the maximum power dissipation of 1N4743A TR?

    • The maximum power dissipation of 1N4743A TR is 1 watt.

  3. What is the typical forward voltage drop of 1N4743A TR?

    • The typical forward voltage drop of 1N4743A TR is around 1 volt.

  4. What is the operating temperature range of 1N4743A TR?

    • The operating temperature range of 1N4743A TR is typically -65°C to +200°C.

  5. Can 1N4743A TR be used in reverse bias?

    • Yes, 1N4743A TR can be used in reverse bias as a zener diode.

  6. What are the typical applications of 1N4743A TR?

    • Typical applications of 1N4743A TR include voltage regulation, overvoltage protection, and signal clamping.

  7. What is the tolerance of the zener voltage for 1N4743A TR?

    • The tolerance of the zener voltage for 1N4743A TR is typically ±5%.

  8. Can 1N4743A TR be used in automotive electronics?

    • Yes, 1N4743A TR can be used in automotive electronics for voltage regulation and protection.

  9. Is 1N4743A TR suitable for low-power applications?

    • Yes, 1N4743A TR is suitable for low-power applications due to its 1 watt power dissipation rating.

  10. What are the package options available for 1N4743A TR?

    • 1N4743A TR is available in various package options including DO-41, SOD-123, and SMA.