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BZX84C4V7
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BZX84C4V7 Diode Encyclopedia Entry

Product Overview

The BZX84C4V7 diode belongs to the category of voltage regulator diodes. It is commonly used to regulate voltage in electronic circuits, providing stable and reliable performance. The diode is characterized by its small size, low power consumption, and high precision. It is typically available in a SOT-23 package and is an essential component in various electronic devices.

Package and Quantity

The BZX84C4V7 diode is usually packaged in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 4.7V
  • Power Dissipation: 350mW
  • Forward Current: 250mA
  • Reverse Leakage Current: 100nA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84C4V7 diode has three pins: anode, cathode, and no connection (NC). The anode is connected to the positive terminal, the cathode to the negative terminal, and the NC pin is left unconnected.

Functional Features

The diode acts as a voltage regulator, maintaining a constant output voltage despite fluctuations in input voltage or load conditions. It provides protection against overvoltage and transient events, ensuring the stability and safety of the connected circuitry.

Advantages and Disadvantages

Advantages: - Small form factor - Low power consumption - Precise voltage regulation

Disadvantages: - Limited current handling capacity - Susceptible to thermal issues at high currents

Working Principles

The BZX84C4V7 diode operates based on the principle of zener breakdown. When the voltage across the diode reaches its specified value, it begins conducting in the reverse direction, effectively regulating the output voltage.

Detailed Application Field Plans

The BZX84C4V7 diode finds extensive application in various electronic devices, including: - Voltage regulators - Power management circuits - Overvoltage protection systems - Signal conditioning circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX84C4V7 diode include: - BZX84C3V9 - BZX84C5V1 - BZX84C6V2 - BZX84C8V2

These alternatives offer different voltage ratings while sharing similar characteristics and package types.

This comprehensive entry provides a detailed understanding of the BZX84C4V7 diode, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX84C4V7 v technických řešeních

  1. What is the BZX84C4V7?

    • The BZX84C4V7 is a 4.7V Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.

  2. What is the maximum power dissipation of the BZX84C4V7?

    • The maximum power dissipation of the BZX84C4V7 is typically 250mW.

  3. What is the voltage tolerance of the BZX84C4V7?

    • The voltage tolerance of the BZX84C4V7 is typically ±5%.

  4. How can the BZX84C4V7 be used in voltage regulation?

    • The BZX84C4V7 can be used to regulate voltage by maintaining a constant output voltage across its terminals, even when the input voltage varies.

  5. What are some common applications of the BZX84C4V7 in technical solutions?

    • The BZX84C4V7 is commonly used in voltage reference circuits, voltage clamping, and overvoltage protection in various electronic devices.

  6. What is the maximum forward voltage drop of the BZX84C4V7?

    • The maximum forward voltage drop of the BZX84C4V7 is typically 1V at a forward current of 10mA.

  7. What is the reverse leakage current of the BZX84C4V7?

    • The reverse leakage current of the BZX84C4V7 is typically very low, in the range of nanoamperes.

  8. Can the BZX84C4V7 be used in automotive electronics?

    • Yes, the BZX84C4V7 can be used in automotive electronics for voltage regulation and overvoltage protection applications.

  9. What is the temperature coefficient of the BZX84C4V7?

    • The temperature coefficient of the BZX84C4V7 is typically around 5mV/°C.

  10. Is the BZX84C4V7 suitable for low-power applications?

    • Yes, the BZX84C4V7 is suitable for low-power applications due to its relatively low maximum power dissipation and voltage rating.