STMicroelectronics
L'image peut être une représentation.
Voir les spécifications pour les détails du produit.
STF4N90K5
Voir les détails DataSheets

STF4N90K5

Product Overview

Category

The STF4N90K5 belongs to the category of power MOSFETs.

Use

It is used as a high-voltage N-channel enhancement-mode power MOSFET.

Characteristics

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

Package

The STF4N90K5 is available in a TO-220 package.

Essence

The essence of the STF4N90K5 lies in its ability to efficiently control high voltages and currents in various electronic applications.

Packaging/Quantity

The STF4N90K5 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Drain-Source Voltage (VDS): 900V
  • Continuous Drain Current (ID): 4A
  • On-Resistance (RDS(on)): 1.8Ω
  • Power Dissipation (PD): 40W

Detailed Pin Configuration

The STF4N90K5 features a standard TO-220 pin configuration: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

  • High voltage capability for power applications
  • Low on-resistance for reduced power dissipation
  • Fast switching speed for improved efficiency

Advantages

  • Suitable for high-voltage applications
  • Low input capacitance
  • Efficient power management

Disadvantages

  • Limited continuous drain current compared to some alternatives
  • Higher on-resistance than certain competing models

Working Principles

The STF4N90K5 operates based on the principles of field-effect transistors, utilizing the electric field at the gate to control the flow of current between the drain and source terminals.

Detailed Application Field Plans

The STF4N90K5 is commonly used in: - Switching power supplies - Motor control systems - LED lighting applications - Solar inverters

Detailed and Complete Alternative Models

Some alternative models to the STF4N90K5 include: - IRF840 - FQP27P06 - IXFN38N100

In conclusion, the STF4N90K5 power MOSFET offers high-voltage capability, fast switching speed, and low on-resistance, making it suitable for a range of power applications such as switching power supplies, motor control systems, and LED lighting. While it has advantages in terms of voltage handling and power dissipation, it may have limitations in continuous drain current compared to other models. Understanding its specifications, pin configuration, functional features, and application fields can help in effectively integrating the STF4N90K5 into electronic designs.

Énumérez 10 questions et réponses courantes liées à l'application de STF4N90K5 dans les solutions techniques

  1. What is STF4N90K5?

    • STF4N90K5 is a power MOSFET transistor designed for high-speed, high-voltage switching applications.

  2. What are the key features of STF4N90K5?

    • The key features of STF4N90K5 include a low on-state resistance, high switching speed, and a high breakdown voltage.

  3. What are the typical applications of STF4N90K5?

    • Typical applications of STF4N90K5 include power supplies, motor control, lighting systems, and automotive electronics.

  4. What is the maximum voltage and current rating for STF4N90K5?

    • STF4N90K5 has a maximum voltage rating of 900V and a maximum continuous drain current rating of 4A.

  5. What is the thermal resistance of STF4N90K5?

    • The thermal resistance of STF4N90K5 is typically around 62°C/W.

  6. Does STF4N90K5 require a heat sink for operation?

    • Depending on the application and operating conditions, STF4N90K5 may require a heat sink to dissipate heat effectively.

  7. What are the recommended operating conditions for STF4N90K5?

    • The recommended operating conditions for STF4N90K5 include a maximum junction temperature of 150°C and a maximum storage temperature of -55°C to 175°C.

  8. Is STF4N90K5 suitable for high-frequency switching applications?

    • Yes, STF4N90K5 is suitable for high-frequency switching due to its high-speed characteristics.

  9. Are there any specific layout considerations when using STF4N90K5 in a circuit?

    • It is important to minimize parasitic inductance and ensure proper gate driving to optimize the performance of STF4N90K5 in a circuit.

  10. Where can I find detailed technical specifications and application notes for STF4N90K5?

    • Detailed technical specifications and application notes for STF4N90K5 can be found in the product datasheet provided by the manufacturer.