Microsemi Corporation
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1N4729A G
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1N4729A G - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage regulation and rectification
  • Characteristics: Zener diode, low voltage drop, high current capability
  • Package: Axial leaded, DO-41 package
  • Essence: Regulates voltage in electronic circuits
  • Packaging/Quantity: Typically available in reels of 1000 units

Specifications

  • Voltage: 3.3V
  • Power Dissipation: 1.0W
  • Zener Impedance: 5Ω
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4729A G has two leads, with the anode connected to the positive terminal and the cathode to the negative terminal.

Functional Features

  • Provides a constant voltage output when reverse biased
  • Protects sensitive components from voltage spikes
  • Allows precise voltage regulation in electronic circuits

Advantages and Disadvantages

Advantages: - Precise voltage regulation - High current capability - Compact size

Disadvantages: - Limited voltage range - Susceptible to thermal runaway if not properly heatsinked

Working Principles

The 1N4729A G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.

Detailed Application Field Plans

  • Used in voltage regulator circuits
  • Overvoltage protection in electronic devices
  • Signal clamping and limiting applications

Detailed and Complete Alternative Models

  • 1N4733A G (5.1V)
  • 1N4742A G (12V)
  • 1N4756A G (39V)

This completes the entry for the 1N4729A G semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4729A G v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4729A G in technical solutions:

  1. What is the 1N4729A G diode used for?

    • The 1N4729A G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N4729A G diode?

    • The 1N4729A G has a nominal Zener voltage of 3.3 volts.

  3. How does the 1N4729A G diode regulate voltage?

    • The 1N4729A G conducts current in reverse-bias mode when the voltage across it reaches its Zener voltage, effectively regulating the voltage at that level.

  4. Can the 1N4729A G be used for overvoltage protection?

    • Yes, the 1N4729A G can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  5. What is the power rating of the 1N4729A G diode?

    • The 1N4729A G has a power dissipation rating of 1 watt.

  6. Is the 1N4729A G suitable for low-power applications?

    • Yes, the 1N4729A G is commonly used in low-power voltage regulation and protection circuits.

  7. Can multiple 1N4729A G diodes be connected in series or parallel?

    • Yes, multiple 1N4729A G diodes can be connected in series to increase the total breakdown voltage or in parallel to increase the current-handling capacity.

  8. What is the temperature coefficient of the 1N4729A G diode?

    • The 1N4729A G typically has a temperature coefficient of approximately -2 mV/°C.

  9. Are there any special considerations for mounting the 1N4729A G diode?

    • It is important to ensure proper heat dissipation when mounting the 1N4729A G, especially if it is operating near its maximum power rating.

  10. Where can I find the detailed specifications for the 1N4729A G diode?

    • The detailed specifications for the 1N4729A G diode can be found in its datasheet, which is available from various semiconductor manufacturers and distributors.

I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.