ON Semiconductor
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IRFS350A
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IRFS350A

Product Overview

Category: Power MOSFET
Use: Switching applications in power supplies and motor control
Characteristics: High voltage, high speed switching
Package: TO-220AB
Essence: Power MOSFET for efficient switching
Packaging/Quantity: Available in reels of 1000 units

Specifications

  • Voltage Rating: 400V
  • Current Rating: 16A
  • RDS(ON): 0.23 Ohm
  • Gate Charge (Qg): 38nC
  • Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

  1. Gate (G)
  2. Drain (D)
  3. Source (S)

Functional Features

  • Fast switching speed
  • Low on-state resistance
  • High input impedance
  • Avalanche energy specified
  • Improved dv/dt capability

Advantages and Disadvantages

Advantages: - High voltage rating - Low RDS(ON) for reduced conduction losses - Wide operating temperature range

Disadvantages: - Higher gate charge compared to some alternatives - Larger package size compared to SMD alternatives

Working Principles

The IRFS350A operates based on the principles of a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET). When a voltage is applied to the gate terminal, it creates an electric field which controls the conductivity between the source and drain terminals.

Detailed Application Field Plans

The IRFS350A is commonly used in: - Switched-mode power supplies - Motor control circuits - Inverters - DC-DC converters

Detailed and Complete Alternative Models

  1. IRFS360A: Similar specifications with higher current rating
  2. IRFS450A: Higher voltage rating with slightly higher RDS(ON)
  3. IRFS240A: Lower voltage rating with lower RDS(ON)

In conclusion, the IRFS350A is a high-voltage, high-speed switching Power MOSFET suitable for various power electronics applications. Its key features include fast switching speed, low on-state resistance, and a wide operating temperature range. While it has advantages such as a high voltage rating and low RDS(ON), it also has limitations like higher gate charge and a larger package size compared to some alternatives. However, its performance and reliability make it a popular choice in power supply and motor control applications.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRFS350A v technických řešeních

  1. What is the IRFS350A?

    • The IRFS350A is a power MOSFET transistor designed for high-speed switching applications in power supplies, motor control, and other electronic systems.

  2. What is the maximum voltage and current rating of the IRFS350A?

    • The IRFS350A has a maximum voltage rating of 400V and a continuous drain current rating of 16A.

  3. What are the typical applications of the IRFS350A?

    • Typical applications include switch mode power supplies, DC-DC converters, motor drives, and inverters.

  4. What are the key features of the IRFS350A?

    • The IRFS350A features low on-state resistance, fast switching speed, and high ruggedness.

  5. What is the thermal resistance of the IRFS350A?

    • The thermal resistance from junction to case (RθJC) is typically 1.25°C/W.

  6. What are the recommended operating conditions for the IRFS350A?

    • The recommended operating temperature range is -55°C to 175°C, and the maximum junction temperature is 175°C.

  7. How should the IRFS350A be mounted and cooled in a technical solution?

    • The IRFS350A should be mounted on a suitable heatsink with proper thermal interface material to ensure efficient heat dissipation.

  8. What are the protection features of the IRFS350A?

    • The IRFS350A offers built-in protection against overcurrent, overvoltage, and thermal overload.

  9. What are the typical performance characteristics of the IRFS350A in a specific application?

    • The typical performance characteristics include on-state resistance, gate charge, and switching times under specified load and operating conditions.

  10. Where can I find detailed application notes and design guidelines for using the IRFS350A in technical solutions?

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