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IRF644STRR

IRF644STRR

Product Overview

Category: Power MOSFET
Use: Switching applications in power supplies, motor control, and other high current applications
Characteristics: High voltage, high current capability, low on-resistance
Package: TO-220AB
Essence: Power MOSFET for high current switching applications
Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Voltage Rating: 250V
  • Continuous Drain Current: 14A
  • RDS(ON): 0.23Ω
  • Gate Threshold Voltage: 2V to 4V
  • Power Dissipation: 94W

Detailed Pin Configuration

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

Functional Features

  • Low on-resistance
  • Fast switching speed
  • High input impedance
  • Avalanche ruggedness

Advantages

  • Suitable for high current applications
  • Low conduction losses
  • Enhanced thermal performance

Disadvantages

  • Higher gate drive requirements compared to some alternatives
  • Sensitive to static electricity

Working Principles

The IRF644STRR operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the flow of current between the drain and source terminals. When a sufficient voltage is applied to the gate, the device switches on, allowing high current to flow through it.

Detailed Application Field Plans

The IRF644STRR is commonly used in various applications including: - Switch mode power supplies - Motor control circuits - High current load switching - Inverters and converters

Detailed and Complete Alternative Models

  1. IRF640
    • Similar voltage and current ratings
    • Different package (TO-220)
    • Higher RDS(ON) at 0.18Ω
  2. IRF740
    • Higher voltage rating of 400V
    • Higher RDS(ON) at 0.55Ω
    • TO-220 package

Note: The alternative models listed above are not exhaustive and there are several other options available from different manufacturers.

This completes the entry for IRF644STRR in the English editing encyclopedia format.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRF644STRR v technických řešeních

  1. What is the maximum drain-source voltage of IRF644STRR?

    • The maximum drain-source voltage of IRF644STRR is 250 volts.

  2. What is the continuous drain current rating of IRF644STRR?

    • The continuous drain current rating of IRF644STRR is 14 amperes.

  3. What is the on-state resistance (RDS(on)) of IRF644STRR?

    • The on-state resistance (RDS(on)) of IRF644STRR is typically 0.15 ohms.

  4. What is the power dissipation of IRF644STRR?

    • The power dissipation of IRF644STRR is 150 watts.

  5. What are the typical applications for IRF644STRR?

    • IRF644STRR is commonly used in applications such as motor control, DC-DC converters, and high-current switching.

  6. What is the gate-source voltage range for IRF644STRR?

    • The gate-source voltage range for IRF644STRR is ±20 volts.

  7. Is IRF644STRR suitable for use in automotive applications?

    • Yes, IRF644STRR is suitable for use in automotive applications.

  8. What is the operating temperature range of IRF644STRR?

    • The operating temperature range of IRF644STRR is -55°C to 175°C.

  9. Does IRF644STRR have built-in protection features?

    • IRF644STRR does not have built-in protection features and may require external circuitry for overcurrent or overvoltage protection.

  10. Can IRF644STRR be used in high-frequency switching applications?

    • Yes, IRF644STRR can be used in high-frequency switching applications due to its low on-state resistance and fast switching characteristics.