SI7409ADN-T1-E3

Product Overview

• Category: Power MOSFET
• Use: Switching applications in power supplies, motor control, and other high-current circuits
• Characteristics: High efficiency, low on-resistance, fast switching speed
• Package: DFN (Dual Flat No-Lead)
• Essence: Efficient power management and control
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage Rating: 30V
• Continuous Drain Current: 20A
• On-Resistance: 4.5mΩ
• Gate Threshold Voltage: 1.8V
• Power Dissipation: 2.5W

Detailed Pin Configuration

• Pin 1: Source
• Pin 2: Gate
• Pin 3: Drain
• Pin 4: Drain

Functional Features

• Fast switching for improved efficiency
• Low on-resistance for reduced power loss
• Enhanced thermal performance for reliability

Advantages and Disadvantages

• Advantages:
  • High efficiency
  • Fast switching speed
  • Low on-resistance
• Disadvantages:
  • Sensitive to static electricity
  • Requires careful handling during assembly

Working Principles

The SI7409ADN-T1-E3 operates based on the principles of field-effect transistors, utilizing the voltage applied to the gate terminal to control the flow of current between the source and drain terminals.

Detailed Application Field Plans

1. Power Supplies: Utilized as a switch in DC-DC converters for efficient power management.
2. Motor Control: Enables precise control of motor speed and direction in various applications.
3. High-Current Circuits: Used for switching and controlling high currents in industrial and automotive systems.

Detailed and Complete Alternative Models

1. SI7410DN-T1-GE3: Similar specifications with enhanced ESD protection
2. SI7469DP-T1-GE3: Higher voltage rating and current handling capacity
3. SI7321DN-T1-GE3: Lower on-resistance for ultra-efficient power management

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