ON Semiconductor
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FQA18N50V2
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FQA18N50V2

Product Overview

Category

The FQA18N50V2 belongs to the category of power MOSFETs.

Use

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

Characteristics

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

Package

The FQA18N50V2 is typically available in a TO-3P package.

Essence

This MOSFET is essential for efficient power management 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 (VDS): 500V
  • Continuous Drain Current (ID): 18A
  • On-Resistance (RDS(on)): 0.29Ω
  • Gate-Source Voltage (VGS): ±20V
  • Total Gate Charge (Qg): 40nC
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The FQA18N50V2 typically has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

  • High voltage capability allows for use in demanding applications.
  • Low on-resistance minimizes power loss and improves efficiency.
  • Fast switching speed enables rapid response in control circuits.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Higher gate charge compared to some alternative models
  • Limited availability from certain suppliers

Working Principles

The FQA18N50V2 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.

Detailed Application Field Plans

The FQA18N50V2 is suitable for use in: - Switch-mode power supplies - Motor drives - Inverters - Electronic ballasts

Detailed and Complete Alternative Models

Some alternative models to the FQA18N50V2 include: - IRFP4668PbF - STW18NK80Z

In conclusion, the FQA18N50V2 is a high-voltage power MOSFET with characteristics that make it suitable for various power management applications, despite its limitations in terms of gate charge and availability from certain suppliers.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací FQA18N50V2 v technických řešeních

  1. What is the maximum voltage rating of FQA18N50V2?

    • The maximum voltage rating of FQA18N50V2 is 500V.

  2. What is the maximum current rating of FQA18N50V2?

    • The maximum current rating of FQA18N50V2 is 18A.

  3. What are the typical applications of FQA18N50V2?

    • FQA18N50V2 is commonly used in power supplies, motor control, and lighting applications.

  4. What is the on-resistance of FQA18N50V2?

    • The on-resistance of FQA18N50V2 is typically around 0.25 ohms.

  5. What is the gate charge of FQA18N50V2?

    • The gate charge of FQA18N50V2 is typically around 40nC.

  6. What is the operating temperature range of FQA18N50V2?

    • FQA18N50V2 can operate within a temperature range of -55°C to 150°C.

  7. Is FQA18N50V2 suitable for high-frequency switching applications?

    • Yes, FQA18N50V2 is suitable for high-frequency switching due to its low on-resistance and gate charge.

  8. Does FQA18N50V2 require a heatsink for thermal management?

    • Depending on the application and power dissipation, a heatsink may be required for proper thermal management.

  9. What are the recommended driver ICs for FQA18N50V2?

    • Commonly used driver ICs for FQA18N50V2 include IR2110, IRS21844, and TC4427.

  10. Can FQA18N50V2 be used in parallel to increase current handling capability?

    • Yes, FQA18N50V2 can be used in parallel to increase current handling capability, but proper attention should be given to matching and balancing the devices.