Vishay Siliconix
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IRF634NPBF
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IRF634NPBF

Product Overview

Category: Power MOSFET
Use: Switching applications in power supplies and motor control
Characteristics: High voltage, high-speed switching, low on-resistance
Package: TO-220AB
Essence: Power MOSFET for efficient switching
Packaging/Quantity: Tube/50 units

Specifications

  • Voltage Rating: 250V
  • Continuous Drain Current: 8.3A
  • RDS(ON): 0.4Ω
  • Gate Threshold Voltage: 2V to 4V
  • Power Dissipation: 94W

Detailed Pin Configuration

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

Functional Features

  • Fast switching speed
  • Low gate drive power
  • Avalanche energy specified
  • Improved dv/dt capability

Advantages and Disadvantages

Advantages: - High voltage rating - Low on-resistance - Suitable for high-speed switching applications

Disadvantages: - Higher gate threshold voltage compared to some alternatives - Relatively higher RDS(ON) compared to newer models

Working Principles

The IRF634NPBF 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 gate-source voltage is applied, the MOSFET conducts, allowing current to flow through it.

Detailed Application Field Plans

  1. Power Supplies: Used in switch-mode power supplies for efficient voltage regulation.
  2. Motor Control: Employed in motor control circuits to manage the speed and direction of motors.
  3. Inverters: Utilized in DC to AC inverters for converting direct current to alternating current.

Detailed and Complete Alternative Models

  1. IRF630NPBF: Similar specifications with lower RDS(ON)
  2. IRF640NPBF: Higher voltage rating with comparable RDS(ON)
  3. IRF644NPBF: Lower gate threshold voltage with similar RDS(ON)

This information provides a comprehensive understanding of the IRF634NPBF, its specifications, features, applications, and alternatives, making it a valuable resource for engineers and enthusiasts in the field of power electronics.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de IRF634NPBF en soluciones técnicas

  1. What is the maximum drain-source voltage of IRF634NPBF?

    • The maximum drain-source voltage of IRF634NPBF is 250 volts.

  2. What is the continuous drain current rating of IRF634NPBF?

    • The continuous drain current rating of IRF634NPBF is 8.3 amperes.

  3. What is the on-state resistance (RDS(on)) of IRF634NPBF?

    • The on-state resistance (RDS(on)) of IRF634NPBF is typically 0.4 ohms.

  4. Can IRF634NPBF be used for switching applications?

    • Yes, IRF634NPBF is suitable for various switching applications due to its low on-state resistance and high drain-source voltage rating.

  5. What are the typical applications of IRF634NPBF in technical solutions?

    • IRF634NPBF can be used in power supplies, motor control, DC-DC converters, and other high-power switching applications.

  6. Does IRF634NPBF require a heat sink for operation?

    • Depending on the application and power dissipation, IRF634NPBF may require a heat sink for efficient thermal management.

  7. What is the gate threshold voltage of IRF634NPBF?

    • The gate threshold voltage of IRF634NPBF typically ranges from 2 to 4 volts.

  8. Is IRF634NPBF suitable for automotive applications?

    • Yes, IRF634NPBF is commonly used in automotive systems such as electronic control units (ECUs) and motor drives.

  9. What are the recommended operating temperature range for IRF634NPBF?

    • IRF634NPBF is designed to operate within the temperature range of -55°C to 175°C.

  10. Can IRF634NPBF be used in parallel to increase current handling capability?

    • Yes, IRF634NPBF can be used in parallel to increase current handling capability in high-power applications. However, proper attention should be given to current sharing and thermal management.