IRFP448PBF

Product Overview

Category: Power MOSFET
Use: Switching applications in power supplies, converters, and motor control
Characteristics: High voltage, high speed switching, low on-resistance
Package: TO-247AC
Essence: Power MOSFET for high-performance switching applications
Packaging/Quantity: Available in reels of 50 or 100 units

Specifications

Voltage - Drain-Source Breakdown (V(BR)DSS): 500V
Current - Continuous Drain (I(D)): 16A
Rds On (Max) @ Id, Vgs: 250 mOhm @ 8A, 10V
Vgs(th) (Max) @ Id: 4V @ 250µA
Gate Charge (Qg) @ Vgs: 60nC @ 10V
Input Capacitance (Ciss) @ Vds: 1500pF @ 25V

Detailed Pin Configuration

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

Functional Features

Fast switching speed
Low gate drive power loss
High input impedance

Advantages and Disadvantages

Advantages: - High voltage capability - Low on-resistance - Suitable for high-frequency applications

Disadvantages: - Sensitivity to static electricity - Gate oxide is susceptible to damage from over-voltage transients

Working Principles

The IRFP448PBF 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 current to flow through it.

Detailed Application Field Plans

The IRFP448PBF is commonly used in: - Switch-mode power supplies - DC-DC converters - Motor control circuits - Inverters

Detailed and Complete Alternative Models

IRFP446PBF
- Similar specifications with lower voltage rating
IRFP450PBF
- Higher voltage rating with similar characteristics
IRFP456PBF
- Lower on-resistance with comparable voltage and current ratings

In conclusion, the IRFP448PBF is a high-performance power MOSFET suitable for various switching applications, offering fast switching speed, low on-resistance, and high voltage capability. However, users should be cautious about static electricity sensitivity and over-voltage transients that may affect its performance.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням IRFP448PBF у технічних рішеннях

What is the maximum drain-source voltage of IRFP448PBF?
- The maximum drain-source voltage of IRFP448PBF is 500 volts.
What is the continuous drain current rating of IRFP448PBF?
- The continuous drain current rating of IRFP448PBF is 14 amperes.
What is the on-state resistance (RDS(on)) of IRFP448PBF?
- The on-state resistance (RDS(on)) of IRFP448PBF is typically 0.4 ohms.
What is the gate-source voltage (VGS) required to turn on IRFP448PBF?
- The gate-source voltage (VGS) required to turn on IRFP448PBF is typically 10 volts.
Can IRFP448PBF be used in high-frequency switching applications?
- Yes, IRFP448PBF can be used in high-frequency switching applications due to its fast switching characteristics.
Is IRFP448PBF suitable for use in power supply designs?
- Yes, IRFP448PBF is suitable for use in power supply designs due to its high voltage and current ratings.
What are the typical thermal characteristics of IRFP448PBF?
- The typical thermal resistance from junction to case (RθJC) of IRFP448PBF is 1.25°C/W.
Does IRFP448PBF require a heat sink for operation?
- Yes, IRFP448PBF may require a heat sink for efficient heat dissipation, especially in high-power applications.
What are the common applications of IRFP448PBF in technical solutions?
- Common applications of IRFP448PBF include motor control, power inverters, welding equipment, and high-power audio amplifiers.
Are there any important considerations when using IRFP448PBF in circuit designs?
- It's important to consider proper gate drive circuitry, heat dissipation, and voltage/current derating to ensure reliable performance of IRFP448PBF in circuit designs.