Vishay Siliconix
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IRFP9140
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IRFP9140

Product Overview

Category

The IRFP9140 belongs to the category of power MOSFETs.

Use

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

Characteristics

  • High input impedance
  • Low input capacitance
  • Fast switching speed
  • Low on-resistance

Package

The IRFP9140 is typically available in a TO-247 package.

Essence

The essence of the IRFP9140 lies in its ability to efficiently switch high voltages and currents with minimal power loss.

Packaging/Quantity

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

Specifications

  • Drain-Source Voltage (VDS): 100V
  • Continuous Drain Current (ID): 23A
  • On-Resistance (RDS(on)): 0.25Ω
  • Gate-Source Voltage (VGS): ±20V
  • Total Power Dissipation (PD): 125W

Detailed Pin Configuration

The IRFP9140 has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

  • High voltage capability
  • Low gate charge
  • Enhanced 30V VGS rating
  • Avalanche energy specified

Advantages

  • Low on-resistance
  • High input impedance
  • Fast switching speed
  • Suitable for high voltage applications

Disadvantages

  • Higher gate drive requirements compared to some other MOSFETs
  • Sensitivity to static electricity

Working Principles

The IRFP9140 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.

Detailed Application Field Plans

The IRFP9140 is widely used in the following applications: - Switching power supplies - Motor control circuits - High voltage inverters - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the IRFP9140 include: - IRFP9240 - IRFP240 - IRFP250

In conclusion, the IRFP9140 is a versatile power MOSFET that finds extensive use in various high voltage applications due to its low on-resistance, fast switching speed, and high voltage capability.

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Énumérez 10 questions et réponses courantes liées à l'application de IRFP9140 dans les solutions techniques

  1. What is the IRFP9140?

    • The IRFP9140 is a power MOSFET transistor designed for high-power applications, such as in power supplies and motor control.

  2. What are the key specifications of the IRFP9140?

    • The IRFP9140 has a maximum drain-source voltage of 100V, a continuous drain current of 23A, and a low on-resistance.

  3. In what type of applications can the IRFP9140 be used?

    • The IRFP9140 is commonly used in applications such as switching power supplies, motor control, and other high-power electronic circuits.

  4. How do I properly drive the IRFP9140 in my circuit?

    • To drive the IRFP9140 effectively, it is important to ensure that the gate voltage is within the specified range (typically around 10V) and that proper gate driving techniques are employed to minimize switching losses.

  5. What are the thermal considerations when using the IRFP9140?

    • It is crucial to consider the heat dissipation requirements and use appropriate heatsinking or thermal management techniques to ensure the IRFP9140 operates within its temperature limits.

  6. Can the IRFP9140 be used in high-frequency applications?

    • While the IRFP9140 has fast switching characteristics, it may not be suitable for very high-frequency applications due to its inherent capacitance and switching losses.

  7. What are the typical protection measures for the IRFP9140?

    • Protection measures such as overcurrent protection, overvoltage protection, and reverse polarity protection should be considered to safeguard the IRFP9140 and the overall circuit.

  8. How do I calculate the power dissipation in the IRFP9140?

    • Power dissipation can be calculated using the formula P = I^2 * Rds(on), where I is the drain current and Rds(on) is the on-resistance of the IRFP9140.

  9. What are some common failure modes of the IRFP9140?

    • Common failure modes include overcurrent stress leading to thermal runaway, voltage spikes causing breakdown, and excessive junction temperature leading to degradation.

  10. Are there any recommended application notes or reference designs for using the IRFP9140?

    • Yes, International Rectifier (now part of Infineon Technologies) provides application notes and reference designs for utilizing the IRFP9140 in various technical solutions. These resources can offer valuable insights into best practices for implementation.