Microsemi Corporation
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1N4743A G
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1N4743A G - Semiconductor Diode

Product Overview

Category:

The 1N4743A G is a semiconductor diode belonging to the Zener diode category.

Use:

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

Characteristics:

  • Zener voltage: 13V
  • Power dissipation: 1W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C

Packaging/Quantity:

The 1N4743A G is typically available in tape and reel packaging with quantities varying based on supplier specifications.

Specifications

  • Zener voltage: 13V
  • Power dissipation: 1W
  • Maximum forward voltage: 1.5V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4743A G follows the standard pin configuration for a DO-41 package, with the anode connected to one end and the cathode to the other.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High reliability and stability

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Wide operating temperature range
  • Compact and easy to use

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4743A G operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased within its specified voltage range.

Detailed Application Field Plans

The 1N4743A G is widely used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4743A G include: - 1N4739A (9.1V Zener voltage) - 1N4740A (10V Zener voltage) - 1N4741A (11V Zener voltage)

This diverse range of alternatives allows for flexibility in selecting the appropriate Zener diode based on specific application requirements.

This content provides a comprehensive overview of the 1N4743A G semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4743A G v technických řešeních

  1. What is the 1N4743A G?

    • The 1N4743A G is a Zener diode with a voltage rating of 13V.

  2. How does the 1N4743A G work?

    • The 1N4743A G operates as a voltage regulator by maintaining a constant output voltage across its terminals.

  3. What are the typical applications of the 1N4743A G?

    • The 1N4743A G is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  4. What is the maximum power dissipation of the 1N4743A G?

    • The 1N4743A G has a maximum power dissipation of 1.0W.

  5. What is the temperature coefficient of the 1N4743A G?

    • The temperature coefficient of the 1N4743A G is typically around 5mV/°C.

  6. Can the 1N4743A G be used in reverse bias?

    • Yes, the 1N4743A G can withstand reverse bias voltages up to its maximum rated voltage.

  7. What is the tolerance of the voltage rating for the 1N4743A G?

    • The tolerance of the voltage rating for the 1N4743A G is typically ±5%.

  8. Is the 1N4743A G suitable for high-frequency applications?

    • The 1N4743A G is not recommended for high-frequency applications due to its inherent limitations.

  9. What are the key differences between the 1N4743A G and other Zener diodes?

    • The 1N4743A G differs from other Zener diodes primarily in its voltage rating and power dissipation capabilities.

  10. Where can I find detailed specifications for the 1N4743A G?

    • Detailed specifications for the 1N4743A G can be found in the manufacturer's datasheet or technical documentation.