Vishay Semiconductor Diodes Division
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BZX55B22-TR
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BZX55B22-TR

Product Overview

Category

The BZX55B22-TR belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 22V
  • Power dissipation: 500mW
  • Package type: DO-35
  • Operating temperature range: -65°C to +200°C
  • Forward voltage: 1.2V
  • Reverse current: 5µA

Package

The BZX55B22-TR is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 22V
  • Power dissipation: 500mW
  • Maximum forward voltage: 1.2V
  • Maximum reverse current: 5µA
  • Operating temperature range: -65°C to +200°C
  • Package type: DO-35

Detailed Pin Configuration

The BZX55B22-TR has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation: The BZX55B22-TR maintains a constant voltage across its terminals, making it suitable for use in voltage regulation circuits.
  • Transient suppression: It can protect sensitive components from voltage spikes and transients.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The BZX55B22-TR operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The BZX55B22-TR is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX55B22-TR include: - BZX55C22-TR - BZX55B24-TR - BZX55B20-TR

In conclusion, the BZX55B22-TR Zener diode is a versatile component used for voltage regulation and transient suppression in various electronic applications. Its precise voltage regulation and compact size make it a popular choice despite its limitations in power dissipation and sensitivity to temperature variations. With a wide operating temperature range and numerous alternative models available, the BZX55B22-TR remains a reliable option for many circuit designs.

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  1. What is the BZX55B22-TR?

    • The BZX55B22-TR is a 22V zener diode designed for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of the BZX55B22-TR?

    • The maximum power dissipation of the BZX55B22-TR is typically 500mW.

  3. What is the voltage tolerance of the BZX55B22-TR?

    • The voltage tolerance of the BZX55B22-TR is typically ±5%.

  4. How can I use the BZX55B22-TR for voltage regulation?

    • The BZX55B22-TR can be used in conjunction with a current-limiting resistor to regulate voltage in a circuit.

  5. What are some common applications of the BZX55B22-TR?

    • Common applications include voltage regulation, overvoltage protection, and signal clamping in electronic circuits.

  6. What is the maximum forward voltage of the BZX55B22-TR?

    • The maximum forward voltage of the BZX55B22-TR is typically 1.2V at a forward current of 200mA.

  7. Can the BZX55B22-TR be used for transient voltage suppression?

    • Yes, the BZX55B22-TR can be used to suppress transient voltages and protect sensitive components in a circuit.

  8. What is the temperature coefficient of the BZX55B22-TR?

    • The temperature coefficient of the BZX55B22-TR is typically 0.07% per °C.

  9. How should I mount the BZX55B22-TR in my circuit?

    • The BZX55B22-TR can be mounted using standard through-hole soldering techniques.

  10. What is the operating temperature range of the BZX55B22-TR?

    • The BZX55B22-TR is typically rated for operation in the temperature range of -65°C to 150°C.