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BZX85C22
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BZX85C22

Product Overview

Category

BZX85C22 belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 22V
  • Power dissipation: 1.3W
  • Package type: Axial leaded
  • Operating temperature range: -65°C to +200°C
  • Reverse leakage current: 5µA

Package

The BZX85C22 is typically available in a DO-41 axial package.

Essence

The essence of BZX85C22 lies in its ability to provide stable voltage regulation and protection in various electronic applications.

Packaging/Quantity

It is usually packaged in reels or bulk quantities, with standard reel sizes containing 1000 units.

Specifications

  • Zener voltage: 22V
  • Power dissipation: 1.3W
  • Forward voltage: 1.2V
  • Reverse current: 5µA
  • Maximum operating temperature: 200°C
  • Package type: DO-41

Detailed Pin Configuration

The BZX85C22 Zener diode has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Pin 1 (Anode) - Pin 2 (Cathode)

Functional Features

  • Voltage regulation: Provides a stable output voltage of 22V when reverse biased.
  • Overvoltage protection: Safeguards sensitive components by limiting the voltage across the circuit.

Advantages

  • Precise voltage regulation
  • High power dissipation capability
  • Wide operating temperature range

Disadvantages

  • Limited current handling capacity
  • Sensitivity to temperature variations

Working Principles

The BZX85C22 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage in a circuit and protect against voltage spikes.

Detailed Application Field Plans

Voltage Regulation

BZX85C22 is widely used in power supplies and voltage regulator circuits to maintain a stable output voltage.

Overvoltage Protection

It is employed in electronic systems to protect sensitive components from damage due to overvoltage conditions.

Signal Clipping

In audio and communication circuits, BZX85C22 is utilized for signal clipping and voltage limiting purposes.

Detailed and Complete Alternative Models

  • BZX85C20: Zener voltage of 20V
  • BZX85C24: Zener voltage of 24V
  • BZX85C18: Zener voltage of 18V
  • BZX85C16: Zener voltage of 16V

These alternative models offer different Zener voltages to suit specific application requirements.

This comprehensive entry provides detailed insights into the BZX85C22 Zener diode, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Word Count: 416

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BZX85C22 dalam penyelesaian teknikal

  1. What is the BZX85C22?

    • The BZX85C22 is a 22V, 1.3W Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.

  2. What are the typical applications of BZX85C22?

    • It is commonly used in voltage regulator circuits, voltage reference circuits, and as a protective element against overvoltage events.

  3. What is the maximum power dissipation of BZX85C22?

    • The maximum power dissipation of BZX85C22 is 1.3W.

  4. What is the voltage tolerance of BZX85C22?

    • The voltage tolerance of BZX85C22 is typically ±5%.

  5. What is the operating temperature range of BZX85C22?

    • The operating temperature range of BZX85C22 is usually -65°C to +175°C.

  6. How does BZX85C22 provide voltage regulation?

    • BZX85C22 operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when it is forward-biased.

  7. Can BZX85C22 be used for overvoltage protection?

    • Yes, BZX85C22 can be used to protect sensitive components in a circuit from overvoltage conditions by shunting excess voltage to ground.

  8. What are the key characteristics of BZX85C22?

    • Some key characteristics include low dynamic impedance, high reliability, and precise voltage regulation.

  9. Is BZX85C22 suitable for automotive applications?

    • Yes, BZX85C22 is often used in automotive electronics for voltage regulation and protection against voltage transients.

  10. Are there any precautions to consider when using BZX85C22?

    • It's important to ensure proper heat dissipation, avoid exceeding the maximum current rating, and protect the diode from ESD (electrostatic discharge) during handling and installation.