Vishay Semiconductor Diodes Division
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BZM55C20-TR3
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BZM55C20-TR3

Introduction

The BZM55C20-TR3 is a semiconductor product belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection due to its unique characteristics. In this entry, we will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZM55C20-TR3.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, low impedance, high reliability
  • Package: SOD-123
  • Essence: Semiconductor device for maintaining a stable voltage across a load
  • Packaging/Quantity: Available in reels with varying quantities

Specifications

  • Voltage: 20V
  • Power Dissipation: 500mW
  • Tolerance: ±5%
  • Operating Temperature: -65°C to +150°C
  • Storage Temperature: -65°C to +175°C

Detailed Pin Configuration

The BZM55C20-TR3 has a standard SOD-123 package with three pins. The pin configuration is as follows: 1. Anode 2. Cathode 3. Not connected (NC)

Functional Features

  • Precise Voltage Regulation: Maintains a constant voltage across the load within specified tolerances.
  • Low Impedance: Allows for efficient current flow while regulating voltage.
  • High Reliability: Provides stable performance over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Compact SOD-123 package
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Tolerance of ±5% may not be suitable for some precision applications

Working Principles

The BZM55C20-TR3 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when it is reverse-biased. This allows it to regulate the voltage across a load by diverting excess current when the voltage exceeds the specified value.

Detailed Application Field Plans

The BZM55C20-TR3 finds extensive use in various electronic circuits, including: - Voltage regulators in power supplies - Overvoltage protection circuits - Signal clamping and limiting circuits - Voltage reference sources

Detailed and Complete Alternative Models

Some alternative models to the BZM55C20-TR3 include: - BZX84C20: SOT-23 package, 20V voltage rating - 1N4744A: DO-41 package, 20V voltage rating - MM3Z20VT1G: SOD-323 package, 20V voltage rating

In conclusion, the BZM55C20-TR3 Zener diode offers precise voltage regulation and protection in a compact SOD-123 package, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZM55C20-TR3 v technických řešeních

  1. What is the BZM55C20-TR3?

    • The BZM55C20-TR3 is a 20V Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What are the key features of BZM55C20-TR3?

    • The key features include a 500mW power dissipation, low leakage current, and a compact SOD-123 package.

  3. In what applications can I use BZM55C20-TR3?

    • It is commonly used in voltage regulation, overvoltage protection, and signal clamping in applications such as power supplies, automotive electronics, and industrial control systems.

  4. What is the maximum current rating for BZM55C20-TR3?

    • The maximum current rating is typically around 100mA.

  5. How does BZM55C20-TR3 provide voltage regulation?

    • The Zener diode operates in the reverse breakdown region, maintaining a constant voltage across its terminals, thus regulating the voltage in the circuit.

  6. What is the temperature range for BZM55C20-TR3?

    • The operating temperature range is usually from -65°C to +150°C, making it suitable for a wide range of environments.

  7. Can BZM55C20-TR3 be used for ESD protection?

    • Yes, it can be utilized for electrostatic discharge (ESD) protection due to its ability to clamp voltages and divert excess current away from sensitive components.

  8. Does BZM55C20-TR3 require any external components for operation?

    • In most cases, it can be used standalone, but additional resistors or capacitors may be added for specific circuit requirements.

  9. What are the typical failure modes of BZM55C20-TR3?

    • Common failure modes include excessive current causing thermal runaway, or voltage spikes leading to breakdown.

  10. Where can I find detailed specifications and application notes for BZM55C20-TR3?

    • Detailed specifications and application notes can be found in the datasheet provided by the manufacturer or on their official website.