Vishay Semiconductor Diodes Division
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BZX85C20-TR
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BZX85C20-TR

Product Overview

Category

The BZX85C20-TR belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a specific voltage across their terminals.

Use

This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.

Characteristics

  • Zener voltage: 20V
  • Power dissipation: 1.3W
  • Package type: DO-41
  • Reverse leakage current: 5µA
  • Temperature coefficient: 5mV/°C

Packaging/Quantity

The BZX85C20-TR is typically packaged in reels or tubes and is available in quantities suitable for both prototyping and production purposes.

Specifications

  • Zener voltage: 20V
  • Power dissipation: 1.3W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5µA
  • Operating temperature range: -65°C to 200°C

Detailed Pin Configuration

The BZX85C20-TR has two pins and follows the standard pin configuration for DO-41 package diodes.

Functional Features

  • Precise voltage regulation
  • Protection against voltage surges
  • Low reverse leakage current
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited current handling capacity
  • Sensitivity to temperature variations

Working Principles

The BZX85C20-TR operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when it is reverse-biased and operated within its specified parameters.

Detailed Application Field Plans

The BZX85C20-TR finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX85C20-TR include: - BZX85C18-TR (Zener voltage: 18V) - BZX85C22-TR (Zener voltage: 22V) - BZX85C24-TR (Zener voltage: 24V)

In conclusion, the BZX85C20-TR Zener diode offers precise voltage regulation and protection features, making it suitable for a wide range of electronic applications. Its characteristics, specifications, and alternative models provide engineers with flexibility in designing circuits that require stable voltage references and protection against voltage fluctuations.

技術ソリューションにおける BZX85C20-TR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the BZX85C20-TR?

    • The BZX85C20-TR is a 20V, 1.3W Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.

  2. What are the typical applications of BZX85C20-TR?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits in various electronic devices and systems.

  3. What is the maximum power dissipation of BZX85C20-TR?

    • The maximum power dissipation of BZX85C20-TR is 1.3W, making it suitable for handling moderate power levels in circuit protection applications.

  4. What is the voltage tolerance of BZX85C20-TR?

    • The voltage tolerance of BZX85C20-TR is typically ±5%, ensuring accurate voltage regulation in circuits.

  5. What is the operating temperature range of BZX85C20-TR?

    • The BZX85C20-TR operates within a temperature range of -65°C to +175°C, making it suitable for a wide range of environmental conditions.

  6. How does BZX85C20-TR provide overvoltage protection?

    • When the voltage across the BZX85C20-TR exceeds its specified breakdown voltage (20V), it conducts current to limit the voltage and protect downstream components.

  7. Can BZX85C20-TR be used in reverse-biased mode?

    • Yes, BZX85C20-TR can be used in reverse-biased mode to regulate voltage and provide overvoltage protection in electronic circuits.

  8. What are the package options available for BZX85C20-TR?

    • BZX85C20-TR is available in various package options such as DO-41, SOD-123, and SMA, providing flexibility for different circuit layouts and designs.

  9. Is BZX85C20-TR RoHS compliant?

    • Yes, BZX85C20-TR is RoHS compliant, meeting the environmental standards for lead-free and hazardous substance-free manufacturing.

  10. What are the key advantages of using BZX85C20-TR in technical solutions?

    • The BZX85C20-TR offers precise voltage regulation, reliable overvoltage protection, high power dissipation capability, and a wide operating temperature range, making it a versatile choice for various technical solutions.