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BZX84B4V7-HE3-18
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BZX84B4V7-HE3-18

Introduction

The BZX84B4V7-HE3-18 is a voltage regulator diode belonging to the category of semiconductor devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Semiconductor device
  • Use: Voltage regulation
  • Characteristics: Low power dissipation, high reliability, small package size
  • Package: SOT-23
  • Essence: Zener diode
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Voltage: 4.7V
  • Power Dissipation: 225mW
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 0.9V
  • Reverse Current: 5μA

Detailed Pin Configuration

The BZX84B4V7-HE3-18 has three pins: 1. Anode (A) 2. Cathode (K) 3. No Connection (NC)

Functional Features

  • Voltage Regulation: The diode maintains a constant output voltage of 4.7V.
  • Overvoltage Protection: Protects downstream components from excessive voltage.

Advantages and Disadvantages

Advantages

  • Small package size
  • High reliability
  • Low power dissipation

Disadvantages

  • Limited current handling capability
  • Sensitivity to temperature variations

Working Principles

The BZX84B4V7-HE3-18 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified voltage.

Detailed Application Field Plans

The BZX84B4V7-HE3-18 finds applications in various fields, including: - Voltage regulation in electronic circuits - Overvoltage protection in consumer electronics - Signal conditioning in sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the BZX84B4V7-HE3-18 include: - BZX84C4V7-HE3-18 - BZX84B5V1-HE3-18 - BZX84C5V1-HE3-18

In conclusion, the BZX84B4V7-HE3-18 is a reliable voltage regulator diode with specific characteristics and applications. Its small package size and high reliability make it suitable for various electronic circuits requiring voltage regulation and overvoltage protection.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BZX84B4V7-HE3-18 dalam penyelesaian teknikal

  1. What is the BZX84B4V7-HE3-18?

    • The BZX84B4V7-HE3-18 is a 4.7V Zener diode designed for voltage regulation and protection in electronic circuits.

  2. What are the typical applications of the BZX84B4V7-HE3-18?

    • It is commonly used in voltage reference, voltage clamping, and surge suppression applications.

  3. What is the maximum power dissipation of the BZX84B4V7-HE3-18?

    • The maximum power dissipation is typically around 250mW.

  4. What is the maximum forward voltage of the BZX84B4V7-HE3-18?

    • The maximum forward voltage is usually around 1V at a forward current of 10mA.

  5. What is the reverse leakage current of the BZX84B4V7-HE3-18?

    • The reverse leakage current is typically very low, in the range of nanoamperes.

  6. What is the temperature coefficient of the BZX84B4V7-HE3-18?

    • The temperature coefficient is generally around -2mV/°C.

  7. What is the package type of the BZX84B4V7-HE3-18?

    • It is commonly available in a SOT-23 surface mount package.

  8. What is the operating temperature range of the BZX84B4V7-HE3-18?

    • The operating temperature range is typically from -55°C to 150°C.

  9. Can the BZX84B4V7-HE3-18 be used for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage conditions.

  10. Is the BZX84B4V7-HE3-18 suitable for low-power applications?

    • Yes, it is well-suited for low-power voltage regulation and protection in various electronic devices.