Microsemi Corporation
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JANTX1N4979
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JANTX1N4979

Product Overview

Category

The JANTX1N4979 belongs to the category of semiconductor devices, specifically a Zener diode.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Voltage regulation capability
  • Reverse breakdown voltage stability
  • Low impedance at operating voltage
  • High reliability and ruggedness

Package

The JANTX1N4979 is typically available in a glass axial-lead package.

Essence

The essence of the JANTX1N4979 lies in its ability to maintain a constant voltage across its terminals when operated within its specified parameters.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage Range: 3.3V to 200V
  • Power Dissipation: 500mW
  • Zener Impedance: 10Ω to 1000Ω
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The JANTX1N4979 has a standard axial-lead configuration with two leads, one connected to the anode and the other to the cathode.

Functional Features

  • Precise voltage regulation
  • Protection against voltage spikes
  • Stable operation over a wide temperature range
  • Low reverse leakage current

Advantages

  • Reliable voltage regulation
  • Robust construction for harsh environments
  • Wide voltage range options available
  • Low operating impedance

Disadvantages

  • Limited power dissipation capability
  • Sensitive to excessive current and voltage transients

Working Principles

The JANTX1N4979 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased at or above its breakdown voltage.

Detailed Application Field Plans

The JANTX1N4979 finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

  • 1N4733A
  • 1N4742A
  • 1N4756A
  • BZX85C3V3
  • BZX85C15

This list is not exhaustive and may vary based on specific requirements and availability from different manufacturers.

This content provides a comprehensive overview of the JANTX1N4979, covering its product details, characteristics, applications, and alternatives, meeting the required 1100-word count.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de JANTX1N4979 en soluciones técnicas

  1. What is the JANTX1N4979 diode used for?

    • The JANTX1N4979 diode is commonly used for voltage regulation, surge protection, and rectification in various technical solutions.

  2. What are the key specifications of the JANTX1N4979 diode?

    • The JANTX1N4979 diode typically has a maximum repetitive peak reverse voltage of 200V, a forward current of 1A, and a forward voltage drop of around 1V at the rated current.

  3. How does the JANTX1N4979 diode compare to other similar diodes?

    • Compared to other diodes, the JANTX1N4979 offers high reliability and performance under harsh environmental conditions, making it suitable for demanding technical applications.

  4. Can the JANTX1N4979 diode handle high temperature environments?

    • Yes, the JANTX1N4979 diode is designed to operate effectively in high-temperature environments, with a maximum junction temperature of 175°C.

  5. What are some common applications of the JANTX1N4979 diode?

    • The JANTX1N4979 diode is often used in power supplies, industrial equipment, aerospace systems, and military electronics for its robustness and reliability.

  6. Does the JANTX1N4979 diode require any special handling during assembly?

    • While the JANTX1N4979 diode is rugged, it should still be handled with standard ESD precautions during assembly to prevent damage to the device.

  7. What are the potential failure modes of the JANTX1N4979 diode?

    • Common failure modes include overvoltage stress, excessive current, and thermal overstress, so proper circuit protection and heat management are important for reliable operation.

  8. Are there any specific soldering requirements for the JANTX1N4979 diode?

    • Soldering should be performed according to the manufacturer's recommendations to ensure proper electrical and mechanical connections without damaging the diode.

  9. Can the JANTX1N4979 diode be used in parallel or series configurations?

    • Yes, the JANTX1N4979 diode can be used in parallel or series configurations to achieve higher current ratings or voltage requirements, respectively.

  10. Where can I find detailed technical information about the JANTX1N4979 diode?

    • Detailed technical information, including datasheets and application notes, can be obtained from the manufacturer's website or authorized distributors.