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STW7NK90Z
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STW7NK90Z

Product Overview

Category

The STW7NK90Z 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 STW7NK90Z is available in a TO-247 package.

Essence

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

Packaging/Quantity

It is typically sold in reels containing a specific quantity, such as 50 or 100 units per reel.

Specifications

  • Drain-Source Voltage (VDS): 900V
  • Continuous Drain Current (ID): 6.5A
  • On-Resistance (RDS(on)): 1.25Ω
  • Gate Threshold Voltage (VGS(th)): 3-5V
  • Total Gate Charge (Qg): 18nC
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STW7NK90Z has a standard pin configuration with three pins: gate (G), drain (D), and source (S).

Functional Features

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

Advantages and Disadvantages

Advantages

  • High voltage capability suitable for diverse applications
  • Fast switching speed for improved performance
  • Low on-resistance reduces power losses

Disadvantages

  • Higher cost compared to lower voltage MOSFETs
  • Requires careful handling due to high voltage ratings

Working Principles

The STW7NK90Z 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

Power Supply

In power supply applications, the STW7NK90Z can be used in high-voltage DC-DC converters and inverters for efficient power management.

Motor Control

For motor control, this MOSFET can be employed in variable frequency drives and motor controllers to regulate the speed and direction of motors.

Lighting

In lighting applications, the STW7NK90Z can be utilized in LED drivers and ballasts for controlling the brightness and efficiency of lighting systems.

Detailed and Complete Alternative Models

  • STP7NK80ZFP
  • STW8NK80Z
  • STP6NK60ZFP
  • STW9NK90Z

The alternative models listed above offer similar characteristics and performance, providing flexibility in component selection for different design requirements.

In conclusion, the STW7NK90Z 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 in terms of performance, designers should consider its higher cost and handling precautions. Understanding its working principles and exploring alternative models can aid in effective utilization within various electronic systems.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng STW7NK90Z trong giải pháp kỹ thuật

  1. What is the maximum drain-source voltage of STW7NK90Z?

    • The maximum drain-source voltage of STW7NK90Z is 900V.

  2. What is the continuous drain current of STW7NK90Z?

    • The continuous drain current of STW7NK90Z is 7A.

  3. What is the on-state resistance of STW7NK90Z?

    • The on-state resistance of STW7NK90Z is typically 1.25 ohms.

  4. Can STW7NK90Z be used in high-power applications?

    • Yes, STW7NK90Z is suitable for high-power applications due to its high voltage and current ratings.

  5. What are the typical applications of STW7NK90Z?

    • STW7NK90Z is commonly used in power supplies, motor control, lighting ballasts, and industrial equipment.

  6. Is STW7NK90Z suitable for switching applications?

    • Yes, STW7NK90Z is designed for use in switching applications due to its fast switching characteristics.

  7. Does STW7NK90Z require a heat sink for operation?

    • Depending on the application and operating conditions, a heat sink may be required to ensure proper thermal management.

  8. What is the gate threshold voltage of STW7NK90Z?

    • The gate threshold voltage of STW7NK90Z is typically around 4V.

  9. Is STW7NK90Z RoHS compliant?

    • Yes, STW7NK90Z is RoHS compliant, making it suitable for environmentally conscious designs.

  10. What are the recommended storage and operating temperatures for STW7NK90Z?

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