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1N4757PE3/TR8
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1N4757PE3/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 maintaining a constant output voltage under varying load conditions.
  • Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

  • Manufacturer: ON Semiconductor
  • Part Number: 1N4757PE3/TR8
  • Power Dissipation: 1W
  • Zener Voltage: 30V
  • Tolerance: ±5%
  • Operating Temperature: -65°C to +200°C
  • Forward Voltage: 1.1V
  • Reverse Current: 5μA

Detailed Pin Configuration

The 1N4757PE3/TR8 Zener diode has a standard DO-41 package with two leads. The cathode is marked with a band on the body of the diode.

Functional Features

  • Voltage Regulation: Maintains a constant output voltage across a wide range of load currents and input voltages.
  • Overvoltage Protection: Safeguards sensitive components in a circuit by limiting the voltage across them.
  • Stability: Provides stable voltage regulation even in harsh environmental conditions.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4757PE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate the voltage in a circuit by diverting excess current when the voltage exceeds the specified value.

Detailed Application Field Plans

The 1N4757PE3/TR8 is commonly used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal clamping circuits

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
  • BZX85C30: 30V Zener Voltage, 1.3W Power Dissipation

This completes the entry for the 1N4757PE3/TR8 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Texniki həllərdə 1N4757PE3/TR8 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the 1N4757PE3/TR8 diode used for?

    • The 1N4757PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the 1N4757PE3/TR8?

    • The maximum power dissipation of the 1N4757PE3/TR8 is 1.5 watts.

  3. What is the voltage rating of the 1N4757PE3/TR8?

    • The 1N4757PE3/TR8 has a voltage rating of 43 volts.

  4. How does the 1N4757PE3/TR8 provide voltage regulation?

    • The 1N4757PE3/TR8 operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when properly biased.

  5. Can the 1N4757PE3/TR8 be used for overvoltage protection?

    • Yes, the 1N4757PE3/TR8 can be used to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.

  6. What are the typical applications of the 1N4757PE3/TR8?

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

  7. What is the temperature coefficient of the 1N4757PE3/TR8?

    • The temperature coefficient of the 1N4757PE3/TR8 is typically around -2 mV/°C, indicating a relatively stable voltage reference over a range of temperatures.

  8. What is the maximum forward voltage drop of the 1N4757PE3/TR8?

    • The maximum forward voltage drop of the 1N4757PE3/TR8 is around 1.5 volts at a specified current.

  9. Is the 1N4757PE3/TR8 suitable for high-frequency applications?

    • The 1N4757PE3/TR8 is not specifically designed for high-frequency applications and may exhibit limitations in such scenarios.

  10. Are there any special considerations for PCB layout when using the 1N4757PE3/TR8?

    • It's important to ensure proper heat sinking and adequate trace widths to handle the current passing through the diode to prevent overheating and maintain performance.