Vishay Siliconix
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
IRFB18N50K
Zobrazit detail DataSheets

IRFB18N50K

Product Overview

Category

The IRFB18N50K belongs to the category of power MOSFETs.

Use

It is commonly used in power supply applications, motor control, and other high-power switching applications.

Characteristics

  • High voltage capability
  • Low on-resistance
  • Fast switching speed
  • Low gate charge

Package

The IRFB18N50K is typically available in a TO-220AB package.

Essence

This MOSFET is essential for efficient power management and control in various electronic systems.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Drain-Source Voltage (Vdss): 500V
  • Continuous Drain Current (Id): 18A
  • RDS(ON) (Max) @ VGS = 10V: 0.25Ω
  • Gate-Source Voltage (Vgs): ±20V
  • Total Gate Charge (Qg): 38nC
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The IRFB18N50K typically has three pins: 1. Gate (G): Input for controlling the switching action of the MOSFET. 2. Drain (D): Connection to the power supply or load. 3. Source (S): Common reference point for the MOSFET's operation.

Functional Features

  • High voltage capability allows it to be used in high-power applications.
  • Low on-resistance minimizes power losses and improves efficiency.
  • Fast switching speed enables rapid response in switching applications.

Advantages and Disadvantages

Advantages

  • High voltage capability
  • Low on-resistance
  • Fast switching speed
  • Suitable for high-power applications

Disadvantages

  • May require additional circuitry for driving the gate effectively
  • Sensitivity to static electricity and overvoltage conditions

Working Principles

The IRFB18N50K operates based on the principles 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 conducts, allowing current to flow through it.

Detailed Application Field Plans

The IRFB18N50K is widely used in the following applications: - Power supplies - Motor control systems - Inverters - Switching regulators - Welding equipment

Detailed and Complete Alternative Models

Some alternative models to the IRFB18N50K include: - IRFB18N50 - IRFB18N50FP - IRFB18N50KP - IRFB18N50L

In conclusion, the IRFB18N50K power MOSFET offers high voltage capability, low on-resistance, and fast switching speed, making it suitable for various high-power applications such as power supplies, motor control, and inverters.

[Word Count: 411]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRFB18N50K v technických řešeních

  1. What is the maximum drain-source voltage of IRFB18N50K?

    • The maximum drain-source voltage of IRFB18N50K is 500V.

  2. What is the continuous drain current rating of IRFB18N50K?

    • The continuous drain current rating of IRFB18N50K is 18A.

  3. What is the on-state resistance (RDS(on)) of IRFB18N50K?

    • The on-state resistance (RDS(on)) of IRFB18N50K is typically 0.23 ohms.

  4. What is the gate-source voltage (VGS) required to turn on IRFB18N50K?

    • The gate-source voltage (VGS) required to turn on IRFB18N50K is typically 10V.

  5. Can IRFB18N50K be used in high-frequency switching applications?

    • Yes, IRFB18N50K can be used in high-frequency switching applications due to its fast switching characteristics.

  6. Is IRFB18N50K suitable for use in power supplies?

    • Yes, IRFB18N50K is suitable for use in power supplies and other power management applications.

  7. What is the thermal resistance junction-to-case (RθJC) of IRFB18N50K?

    • The thermal resistance junction-to-case (RθJC) of IRFB18N50K is typically 1.25°C/W.

  8. Does IRFB18N50K require a heat sink for operation?

    • Depending on the application and power dissipation, IRFB18N50K may require a heat sink for efficient operation.

  9. What are the typical applications for IRFB18N50K?

    • Typical applications for IRFB18N50K include motor control, inverters, converters, and general purpose power switching.

  10. Is IRFB18N50K RoHS compliant?

    • Yes, IRFB18N50K is RoHS compliant, making it suitable for environmentally conscious designs.