IRF644SPBF

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 1000 units

Specifications

Voltage Rating: 250V
Current Rating: 17A
On-Resistance: 0.15Ω
Power Dissipation: 150W
Gate Threshold Voltage: 2-4V
Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

Gate (G)
Drain (D)
Source (S)

Functional Features

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

Advantages and Disadvantages

Advantages: - Low on-resistance - High voltage capability - Suitable for high current applications - Fast switching speed

Disadvantages: - Higher gate threshold voltage compared to some alternative models - Sensitive to electrostatic discharge (ESD)

Working Principles

The IRF644SPBF 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 MOSFET allows a high current to flow from the drain to the source with low resistance.

Detailed Application Field Plans

The IRF644SPBF is commonly used in various applications including: - Switching power supplies - Motor control circuits - High current LED lighting systems - Audio amplifiers - DC-DC converters

Detailed and Complete Alternative Models

IRF640SPBF: Similar specifications with slightly lower voltage and current ratings
IRF740SPBF: Higher voltage and current ratings with similar characteristics
IRF840SPBF: Higher voltage and current ratings with improved on-resistance

This completes the entry for IRF644SPBF according to the English editing encyclopedia structure format.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRF644SPBF v technických řešeních

What is the maximum drain-source voltage of IRF644SPBF?
- The maximum drain-source voltage of IRF644SPBF is 250 volts.
What is the continuous drain current rating of IRF644SPBF?
- The continuous drain current rating of IRF644SPBF is 14 amperes.
What is the on-state resistance (RDS(on)) of IRF644SPBF?
- The on-state resistance (RDS(on)) of IRF644SPBF is typically 0.15 ohms.
What is the gate-source voltage (VGS) for proper operation of IRF644SPBF?
- The gate-source voltage (VGS) for proper operation of IRF644SPBF is typically ±20 volts.
What are the typical applications of IRF644SPBF?
- IRF644SPBF is commonly used in power supply, motor control, and inverter applications.
What is the operating temperature range of IRF644SPBF?
- The operating temperature range of IRF644SPBF is -55°C to 175°C.
Does IRF644SPBF require a heat sink for operation?
- Depending on the application and power dissipation, a heat sink may be required for optimal performance of IRF644SPBF.
Is IRF644SPBF suitable for high-frequency switching applications?
- IRF644SPBF is not specifically designed for high-frequency switching applications, but it can be used in certain low to moderate frequency switching circuits.
What are the recommended soldering and mounting techniques for IRF644SPBF?
- Proper soldering and mounting techniques include using a suitable soldering iron and ensuring proper thermal management during assembly.
Are there any common failure modes or considerations when using IRF644SPBF?
- Common failure modes include overvoltage, overcurrent, and excessive power dissipation, so proper protection and thermal management should be considered when using IRF644SPBF.