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BZX84C20LT3
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BZX84C20LT3 Encyclopedia Entry

Product Overview

Category

The BZX84C20LT3 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This particular Zener diode is commonly used for voltage regulation and protection in various electronic circuits.

Characteristics

  • Low power dissipation
  • High stability
  • Small package size
  • Wide voltage range

Package

The BZX84C20LT3 is typically available in a small surface-mount package, making it suitable for compact circuit designs.

Essence

The essence of the BZX84C20LT3 lies in its ability to provide a stable voltage reference in electronic circuits, ensuring consistent performance.

Packaging/Quantity

It is often supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 20V
  • Power Dissipation: 250mW
  • Zener Voltage Tolerance: ±5%
  • Maximum Reverse Leakage Current: 100nA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The BZX84C20LT3 typically has three pins: anode, cathode, and a reference terminal. The anode is connected to the positive side of the circuit, the cathode to the negative side, and the reference terminal provides the stable voltage output.

Functional Features

  • Voltage Regulation: The BZX84C20LT3 maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage Protection: It helps protect sensitive components by limiting the voltage across them.

Advantages and Disadvantages

Advantages

  • Compact size
  • Stable voltage reference
  • Low power dissipation

Disadvantages

  • Limited current handling capability
  • Voltage tolerance may not be suitable for precision applications

Working Principles

The BZX84C20LT3 operates based on the principle of the Zener effect, where it begins conducting when the voltage across its terminals reaches the specified breakdown voltage, effectively regulating the voltage.

Detailed Application Field Plans

The BZX84C20LT3 finds extensive use in: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX84C20LT3 include: - BZX84C10LT3 (10V) - BZX84C30LT3 (30V) - BZX84C50LT3 (50V)

In summary, the BZX84C20LT3 Zener diode offers a compact and stable solution for voltage regulation and protection in various electronic applications, making it a versatile component in modern circuit design.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BZX84C20LT3 dalam penyelesaian teknikal

  1. What is the maximum continuous forward current for BZX84C20LT3?

    • The maximum continuous forward current for BZX84C20LT3 is 225 mA.

  2. What is the reverse voltage for BZX84C20LT3?

    • The reverse voltage for BZX84C20LT3 is 20 V.

  3. Can BZX84C20LT3 be used for voltage regulation in low power applications?

    • Yes, BZX84C20LT3 can be used for voltage regulation in low power applications due to its low reverse leakage current and stable zener voltage.

  4. What is the power dissipation of BZX84C20LT3?

    • The power dissipation of BZX84C20LT3 is 350 mW.

  5. Is BZX84C20LT3 suitable for overvoltage protection in electronic circuits?

    • Yes, BZX84C20LT3 is suitable for overvoltage protection in electronic circuits due to its fast response time and high surge capability.

  6. What is the temperature coefficient of BZX84C20LT3?

    • The temperature coefficient of BZX84C20LT3 is 0.07 %/°C.

  7. Can BZX84C20LT3 be used in battery charging circuits?

    • Yes, BZX84C20LT3 can be used in battery charging circuits to provide stable voltage regulation and overvoltage protection.

  8. What is the typical junction capacitance of BZX84C20LT3?

    • The typical junction capacitance of BZX84C20LT3 is 40 pF.

  9. Does BZX84C20LT3 require a heatsink for normal operation?

    • No, BZX84C20LT3 does not require a heatsink for normal operation due to its low power dissipation.

  10. Is BZX84C20LT3 RoHS compliant?

    • Yes, BZX84C20LT3 is RoHS compliant, making it suitable for use in environmentally sensitive applications.