FZT558 Product Overview

Introduction

FZT558 is a high-performance NPN silicon transistor designed for general-purpose amplifier and switching applications. This entry provides a comprehensive overview of the FZT558, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The FZT558 belongs to the category of discrete semiconductor products, specifically falling under the classification of transistors.

Basic Information Overview

• Use: The FZT558 transistor is commonly used for general-purpose amplification and switching in various electronic circuits.
• Characteristics: It exhibits high current gain, low saturation voltage, and fast switching capabilities.
• Package: The FZT558 is typically available in a SOT-223 package, offering enhanced thermal performance and compact size.
• Essence: Its essence lies in providing reliable amplification and switching functions in electronic designs.
• Packaging/Quantity: It is commonly supplied in reels or tubes with varying quantities based on manufacturer specifications.

Specifications

• Maximum Collector-Base Voltage (Vcbo): 60V
• Maximum Collector-Emitter Voltage (Vceo): 60V
• Maximum Emitter-Base Voltage (Vebo): 5V
• Continuous Collector Current (Ic): 3A
• Power Dissipation (Pd): 2W
• Transition Frequency (ft): 100MHz
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The FZT558 transistor has a standard three-pin configuration: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

• High current gain for efficient signal amplification.
• Low saturation voltage enabling minimal power loss during switching operations.
• Fast switching speed facilitating rapid transitions between on and off states.

Advantages and Disadvantages

Advantages

• Versatile application in various electronic circuits.
• Enhanced thermal performance due to the SOT-223 package.
• Reliable amplification and switching characteristics.

Disadvantages

• Limited maximum collector current compared to higher-power transistors.
• Moderate transition frequency may not be suitable for ultra-high-frequency applications.

Working Principles

The FZT558 operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The FZT558 finds extensive use in the following application fields: - Audio amplifiers - Switching power supplies - Motor control circuits - LED drivers - Signal amplification in sensor interfaces

Detailed and Complete Alternative Models

• FZT658: Similar characteristics with higher collector current rating.
• FZT458: Lower power dissipation variant suitable for specific applications.
• FZT358: General-purpose transistor with comparable specifications.

In conclusion, the FZT558 transistor offers a balance of performance and versatility, making it a popular choice for amplification and switching requirements in diverse electronic applications.

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