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STF9NK90Z
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STF9NK90Z

Product Overview

Category

The STF9NK90Z belongs to the category of power MOSFETs.

Use

It is commonly used in power supply, motor control, and lighting applications.

Characteristics

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

Package

The STF9NK90Z is available in a TO-220 package.

Essence

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

Packaging/Quantity

It is typically packaged in reels with a quantity of 1000 units per reel.

Specifications

  • Drain-Source Voltage (VDS): 900V
  • Continuous Drain Current (ID): 9A
  • On-Resistance (RDS(on)): 1.15Ω
  • Power Dissipation (PD): 80W
  • Gate-Source Voltage (VGS): ±30V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STF9NK90Z has a standard pin configuration with three pins: gate, drain, and source.

Functional Features

  • High voltage capability allows for use in various power applications.
  • Low input capacitance enables fast switching speeds.
  • Low on-resistance minimizes power losses and improves efficiency.

Advantages

  • High voltage capability suitable for diverse applications.
  • Fast switching speed enhances performance in motor control and power supply circuits.
  • Low on-resistance reduces power dissipation and improves energy efficiency.

Disadvantages

  • May require additional circuitry for protection against voltage spikes and transients.
  • Higher cost compared to lower voltage MOSFETs.

Working Principles

The STF9NK90Z 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

Power Supply

In power supply applications, the STF9NK90Z can be used to efficiently regulate and control the flow of power, ensuring stable and reliable operation.

Motor Control

For motor control, this MOSFET can be employed to drive and control the speed of motors in various industrial and automotive applications.

Lighting

In lighting systems, the STF9NK90Z can be utilized to manage the power delivery to LED arrays or other lighting elements, enabling precise control and energy efficiency.

Detailed and Complete Alternative Models

  • STF10N95K5: Similar high-voltage MOSFET with enhanced current-carrying capabilities.
  • STF7N60M2: Lower voltage MOSFET suitable for less demanding applications.

In conclusion, the STF9NK90Z power MOSFET offers high voltage capability, fast switching speed, and low on-resistance, making it suitable for power supply, motor control, and lighting applications. While it has advantages such as versatile application and improved efficiency, it may require additional protection circuitry and comes at a higher cost compared to lower voltage alternatives.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací STF9NK90Z v technických řešeních

  1. What is the STF9NK90Z?

    • The STF9NK90Z is a power MOSFET designed for high voltage applications, offering low on-state resistance and high switching speed.

  2. What are the key features of the STF9NK90Z?

    • The key features include a 900V breakdown voltage, low on-resistance, high dv/dt capability, and fast recovery body diode.

  3. What are the typical applications of the STF9NK90Z?

    • Typical applications include switch mode power supplies, lighting ballasts, motor control, and electronic lamp ballasts.

  4. What is the maximum drain current of the STF9NK90Z?

    • The maximum drain current is 9A.

  5. What is the typical on-resistance of the STF9NK90Z?

    • The typical on-resistance is 1.15 ohms.

  6. What is the gate-source voltage range for the STF9NK90Z?

    • The gate-source voltage range is ±30V.

  7. Does the STF9NK90Z require a heatsink in typical applications?

    • Yes, a heatsink may be required to dissipate heat in high power applications.

  8. Is the STF9NK90Z suitable for high frequency switching applications?

    • Yes, it is suitable for high frequency switching due to its high dv/dt capability and fast recovery body diode.

  9. Can the STF9NK90Z be used in automotive applications?

    • Yes, it can be used in automotive applications such as motor control and lighting systems.

  10. What are the recommended storage and operating temperatures for the STF9NK90Z?

    • The recommended storage temperature is -55°C to 150°C, and the recommended operating temperature is up to 150°C.