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1N4749CPE3/TR8
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1N4749CPE3/TR8 - Semiconductor Diode Encyclopedia Entry

Introduction

The 1N4749CPE3/TR8 is a semiconductor diode that belongs to the category of Zener diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the 1N4749CPE3/TR8.

Basic Information Overview

  • Category: Zener diode
  • Use: Voltage regulation and voltage reference applications
  • Characteristics: Reverse breakdown voltage of 24V, power dissipation of 1.0W, and tolerance of ±5%
  • Package: DO-41 package type
  • Essence: The diode operates as a voltage regulator by maintaining a constant output voltage under varying input voltages.
  • Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.

Specifications

  • Reverse Breakdown Voltage (Vz): 24V
  • Power Dissipation (Pd): 1.0W
  • Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C
  • Storage Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4749CPE3/TR8 Zener diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Voltage Regulation: The diode maintains a nearly constant voltage across its terminals when it is operated in the reverse breakdown region.
  • Voltage Reference: It provides a stable voltage reference for various electronic circuits.

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 1N4749CPE3/TR8 Zener diode operates based on the principle of the Zener effect, which causes it to conduct current in the reverse-biased direction once the voltage across its terminals exceeds the specified breakdown voltage.

Detailed Application Field Plans

The 1N4749CPE3/TR8 Zener diode finds applications in various electronic circuits, including: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4749CPE3/TR8 Zener diode include: - 1N4733A - 1N4742A - BZX55C24 - BZT52C24

In conclusion, the 1N4749CPE3/TR8 Zener diode is a crucial component in electronic circuits requiring precise voltage regulation and reference. Its compact size and stable characteristics make it suitable for a wide range of applications.

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技術ソリューションにおける 1N4749CPE3/TR8 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4749CPE3/TR8?

    • The 1N4749CPE3/TR8 is a Zener diode with a voltage rating of 24V and a power rating of 1W.

  2. What are the typical applications of the 1N4749CPE3/TR8?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  3. What is the maximum current that can flow through the 1N4749CPE3/TR8?

    • The maximum current for the 1N4749CPE3/TR8 is typically around 50mA.

  4. How does the 1N4749CPE3/TR8 provide voltage regulation?

    • The Zener diode conducts in reverse bias when the voltage across it reaches its breakdown voltage, effectively regulating the voltage across the circuit.

  5. Can the 1N4749CPE3/TR8 be used for overvoltage protection?

    • Yes, it can be used to shunt excess voltage away from sensitive components in a circuit, protecting them from damage.

  6. What are the key specifications to consider when using the 1N4749CPE3/TR8 in a design?

    • Key specifications include the breakdown voltage, power rating, and maximum current.

  7. Are there any specific thermal considerations when using the 1N4749CPE3/TR8?

    • It's important to consider the power dissipation and ensure proper heat sinking if the diode will be handling significant power.

  8. Can the 1N4749CPE3/TR8 be used in automotive applications?

    • Yes, it can be used in automotive electronics for voltage regulation and protection.

  9. What are the typical operating temperature ranges for the 1N4749CPE3/TR8?

    • The typical operating temperature range is -65°C to +200°C.

  10. Are there any alternatives to the 1N4749CPE3/TR8 with similar characteristics?

    • Yes, other Zener diodes with comparable voltage and power ratings can serve as alternatives in certain applications.