Diodes Incorporated
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BZX84C4V3W-7
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BZX84C4V3W-7: English Editing Encyclopedia Entry

Product Overview

The BZX84C4V3W-7 belongs to the category of voltage regulator diodes. It is commonly used to regulate voltage in electronic circuits, providing stable and reliable performance. The characteristics of this product include its small size, low power dissipation, and high reliability. It is typically packaged in a SOT-323 package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Voltage Rating: 4.3V
  • Power Dissipation: 250mW
  • Forward Voltage: 0.9V
  • Reverse Current: 5µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84C4V3W-7 has three pins: anode, cathode, and no connection (NC). The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2 - No Connection (NC) - Pin 3

Functional Features

  • Voltage Regulation: The diode regulates the voltage across the circuit, ensuring a constant output voltage.
  • Overvoltage Protection: It provides protection against overvoltage conditions, safeguarding the connected components.
  • Low Power Dissipation: The diode minimizes power loss, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages

  • Small form factor
  • Reliable voltage regulation
  • Overvoltage protection

Disadvantages

  • Limited current handling capacity
  • Sensitivity to temperature variations

Working Principles

The BZX84C4V3W-7 operates based on the principle of Zener breakdown. When the voltage across the diode reaches its breakdown voltage (4.3V), it starts conducting, effectively regulating the voltage and preventing it from exceeding the specified level.

Detailed Application Field Plans

The BZX84C4V3W-7 finds extensive use in various electronic devices and systems, including: - Voltage regulators in power supplies - Overvoltage protection circuits - Signal conditioning circuits - Battery management systems

Detailed and Complete Alternative Models

Some alternative models to the BZX84C4V3W-7 include: - BZX84C3V9W-7 - BZX84C4V7W-7 - BZX84C5V1W-7

In summary, the BZX84C4V3W-7 is a voltage regulator diode with a specific breakdown voltage of 4.3V, offering reliable voltage regulation and overvoltage protection. Its compact size and high reliability make it suitable for a wide range of electronic applications, especially those requiring precise voltage control and protection against voltage spikes.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX84C4V3W-7 v technických řešeních

  1. What is the BZX84C4V3W-7?

    • The BZX84C4V3W-7 is a 4.3V Zener diode with a power rating of 250mW and a SOT323 package.

  2. What are the typical applications of BZX84C4V3W-7?

    • It is commonly used for voltage regulation, overvoltage protection, and signal clamping in various electronic circuits.

  3. What is the maximum current that BZX84C4V3W-7 can handle?

    • The maximum current for BZX84C4V3W-7 is typically around 50mA.

  4. How does BZX84C4V3W-7 provide voltage regulation?

    • It operates in reverse-biased breakdown mode, maintaining a nearly constant voltage across its terminals when the applied voltage exceeds the specified value.

  5. Can BZX84C4V3W-7 be used for ESD protection?

    • Yes, it can be used to protect sensitive components from electrostatic discharge (ESD) by diverting excess current away from the protected circuit.

  6. What are the temperature considerations for BZX84C4V3W-7?

    • The operating and storage temperature range for BZX84C4V3W-7 is typically -65°C to +150°C.

  7. Is BZX84C4V3W-7 suitable for low-power applications?

    • Yes, it is well-suited for low-power applications due to its relatively low power rating of 250mW.

  8. Can BZX84C4V3W-7 be used in voltage reference circuits?

    • Yes, it can be utilized as a stable voltage reference in precision analog and digital circuits.

  9. What are the key characteristics of BZX84C4V3W-7?

    • Some key characteristics include its low leakage current, precise voltage regulation, and small form factor.

  10. Are there any specific layout considerations when using BZX84C4V3W-7?

    • It is important to minimize trace lengths and keep the device close to the load to reduce parasitic effects and ensure optimal performance.