Microsemi Corporation
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1N4729AP/TR8
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1N4729AP/TR8 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation, Rectification
  • Characteristics: Zener Diode, Reverse Breakdown Voltage of 3.3V, Low Impedance
  • Package: DO-41
  • Essence: Regulates voltage by maintaining a constant output voltage across its terminals
  • Packaging/Quantity: Typically available in reels of 500 or 1000 units

Specifications

  • Voltage: 3.3V
  • Power Dissipation: 1.0W
  • Zener Impedance: 20Ω
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4729AP/TR8 is a two-terminal device with an anode and a cathode. The anode is marked with a band on the body of the diode.

Functional Features

  • Maintains a constant voltage drop across its terminals when reverse biased
  • Provides stable voltage regulation in electronic circuits
  • Protects sensitive components from voltage spikes

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low impedance
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Susceptible to damage from excessive current or voltage

Working Principles

The 1N4729AP/TR8 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased. This allows it to regulate voltage in electronic circuits.

Detailed Application Field Plans

The 1N4729AP/TR8 is commonly used in various applications such as: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the 1N4729AP/TR8 include: - 1N4730A: 3.6V Zener Diode - 1N4731A: 3.9V Zener Diode - 1N4732A: 4.3V Zener Diode - 1N4733A: 4.7V Zener Diode

This comprehensive range of alternative models provides options for different voltage regulation requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4729AP/TR8 en soluciones técnicas

  1. What is the voltage rating of 1N4729AP/TR8?

    • The voltage rating of 1N4729AP/TR8 is 3.3 volts.

  2. What type of diode is 1N4729AP/TR8?

    • 1N4729AP/TR8 is a Zener diode, specifically a 3.3V Zener diode.

  3. What are the typical applications of 1N4729AP/TR8?

    • Typical applications include voltage regulation, overvoltage protection, and voltage reference circuits.

  4. What is the power dissipation of 1N4729AP/TR8?

    • The power dissipation of 1N4729AP/TR8 is 1 watt.

  5. What is the maximum forward voltage of 1N4729AP/TR8?

    • The maximum forward voltage is 1.2 volts at 200mA.

  6. What is the reverse leakage current of 1N4729AP/TR8?

    • The reverse leakage current is typically less than 1μA at the rated voltage.

  7. Can 1N4729AP/TR8 be used for voltage regulation in low-power applications?

    • Yes, 1N4729AP/TR8 can be used for voltage regulation in low-power applications due to its 1W power dissipation.

  8. How does 1N4729AP/TR8 provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (3.3V), it conducts heavily, effectively clamping the voltage to 3.3V and providing overvoltage protection.

  9. What is the temperature coefficient of 1N4729AP/TR8?

    • The temperature coefficient is typically 0.05%/°C.

  10. Is 1N4729AP/TR8 suitable for precision voltage reference applications?

    • Yes, 1N4729AP/TR8 is suitable for precision voltage reference applications due to its stable breakdown voltage and low temperature coefficient.