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1N4757APE3/TR8
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1N4757APE3/TR8 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation
  • Characteristics: Zener Diode, 1W Power Dissipation, 30V Nominal Zener Voltage
  • Package: DO-41
  • Essence: Regulates voltage by acting as a shunt regulator
  • Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

  • Manufacturer: Vishay
  • Part Number: 1N4757APE3/TR8
  • Power Dissipation: 1W
  • Zener Voltage: 30V
  • Tolerance: ±5%
  • Operating Temperature: -65°C to +200°C

Detailed Pin Configuration

The 1N4757APE3/TR8 is a two-pin diode with the anode and cathode terminals.

Functional Features

  • Acts as a voltage regulator by maintaining a constant output voltage under varying load conditions.
  • Protects circuits from overvoltage conditions by diverting excess current.

Advantages and Disadvantages

Advantages

  • Simple and cost-effective voltage regulation solution.
  • Provides stable output voltage over a wide range of currents.

Disadvantages

  • Limited power dissipation capability compared to other voltage regulation methods.
  • Susceptible to thermal runaway if not properly heatsinked.

Working Principles

The 1N4757APE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its specified breakdown voltage.

Detailed Application Field Plans

  • Used in power supplies for stabilizing output voltage.
  • Overvoltage protection in electronic circuits.
  • Voltage reference in instrumentation applications.

Detailed and Complete Alternative Models

  • 1N4728A: 3.3V Zener Voltage, 1W Power Dissipation
  • 1N4733A: 5.1V Zener Voltage, 1W Power Dissipation
  • 1N4742A: 12V Zener Voltage, 1W Power Dissipation

This completes the entry for the 1N4757APE3/TR8 semiconductor diode, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4757APE3/TR8 v technických řešeních

  1. What is the 1N4757APE3/TR8 diode used for?

    • The 1N4757APE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4757APE3/TR8?

    • The maximum power dissipation of the 1N4757APE3/TR8 is 1.5 watts.

  3. What is the voltage rating of the 1N4757APE3/TR8?

    • The 1N4757APE3/TR8 has a voltage rating of 43 volts.

  4. How does the 1N4757APE3/TR8 provide voltage regulation?

    • The 1N4757APE3/TR8 operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.

  5. What are some typical applications of the 1N4757APE3/TR8?

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

  6. What is the temperature coefficient of the 1N4757APE3/TR8?

    • The temperature coefficient of the 1N4757APE3/TR8 is typically around 0.05% per °C.

  7. What is the maximum current that the 1N4757APE3/TR8 can handle?

    • The maximum current for the 1N4757APE3/TR8 is around 51 mA.

  8. Can the 1N4757APE3/TR8 be used in automotive applications?

    • Yes, the 1N4757APE3/TR8 is suitable for use in automotive electronics due to its robust construction and reliability.

  9. Does the 1N4757APE3/TR8 require a heatsink?

    • For most applications, the 1N4757APE3/TR8 does not require a heatsink due to its relatively low power dissipation.

  10. Is the 1N4757APE3/TR8 sensitive to ESD (electrostatic discharge)?

    • Like most semiconductor devices, the 1N4757APE3/TR8 is sensitive to ESD and should be handled with appropriate precautions to prevent damage.