Q4004F421 Product Overview

Introduction

The Q4004F421 is a semiconductor device that belongs to the category of thyristors. It is commonly used in electronic circuits for controlling power. This entry provides an overview of the Q4004F421, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Thyristor
• Use: Control of power in electronic circuits
• Characteristics: High current capability, low conduction loss
• Package: TO-202
• Essence: Semiconductor device for power control
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Voltage Rating: 400V
• Current Rating: 4A
• Gate Trigger Current: 200µA
• Operating Temperature Range: -40°C to 125°C
• Mounting Type: Through Hole
• Package / Case: TO-202

Detailed Pin Configuration

The Q4004F421 has a standard TO-202 package with three leads: 1. Anode (A) 2. Cathode (K) 3. Gate (G)

Functional Features

• High Current Capability: The Q4004F421 can handle high currents, making it suitable for power control applications.
• Low Conduction Loss: It exhibits low conduction loss, contributing to efficient power management in circuits.

Advantages and Disadvantages

Advantages

• Reliable power control
• Low conduction loss
• High current handling capability

Disadvantages

• Sensitive to voltage transients
• Requires careful gate triggering to avoid unintended conduction

Working Principles

The Q4004F421 operates based on the principle of thyristor action, where it can be triggered into conduction by a gate signal and remains conducting until the current through it drops below a certain threshold.

Detailed Application Field Plans

The Q4004F421 finds extensive use in various applications, including: - Motor control circuits - Power supply units - Lighting control systems - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the Q4004F421 include: - Q4004L4 - Q4004LT - Q4004R3

In conclusion, the Q4004F421 is a versatile thyristor with robust power control capabilities, making it suitable for a wide range of electronic applications.

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