STMicroelectronics
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STL31N65M5
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STL31N65M5

Product Overview

Category

The STL31N65M5 belongs to the category of power MOSFETs.

Use

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

Characteristics

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

Package

The STL31N65M5 is typically available in a TO-264 package.

Essence

The essence of the STL31N65M5 lies in its ability to efficiently handle high power and voltage levels while maintaining low on-resistance.

Packaging/Quantity

The STL31N65M5 is usually packaged in reels or tubes, with varying quantities based on customer requirements.

Specifications

  • Drain-Source Voltage (VDS): 650V
  • Continuous Drain Current (ID): 31A
  • On-Resistance (RDS(on)): 0.065Ω
  • Power Dissipation (PD): 300W
  • Gate Threshold Voltage (VGS(th)): 2-4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STL31N65M5 typically has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

  • High voltage capability allows for use in high-power applications
  • Low input capacitance enables fast switching speeds
  • Low on-resistance minimizes power loss and heat generation

Advantages and Disadvantages

Advantages

  • High voltage capability
  • Fast switching speed
  • Low on-resistance
  • Suitable for high-power applications

Disadvantages

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

Working Principles

The STL31N65M5 operates based on the principles of field-effect transistors, utilizing the control of the gate voltage to modulate the flow of current between the drain and source terminals.

Detailed Application Field Plans

The STL31N65M5 is commonly used in the following applications: - Switched-mode power supplies - Motor control - Inverters - Welding equipment - Inductive heating systems

Detailed and Complete Alternative Models

Some alternative models to the STL31N65M5 include: - STP36NF06L - IRFP4668 - FDPF33N25T

In conclusion, the STL31N65M5 is a high-voltage power MOSFET with excellent characteristics suitable for various power applications. Its high voltage capability, fast switching speed, and low on-resistance make it an ideal choice for demanding power electronics designs.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением STL31N65M5 в технических решениях.

  1. What is the maximum drain-source voltage rating of the STL31N65M5 MOSFET?

    • The maximum drain-source voltage rating of the STL31N65M5 is 650V.

  2. What is the continuous drain current rating of the STL31N65M5 MOSFET?

    • The continuous drain current rating of the STL31N65M5 is 31A.

  3. What is the on-state resistance (RDS(on)) of the STL31N65M5 MOSFET?

    • The on-state resistance of the STL31N65M5 is typically 0.065 ohms at VGS = 10V.

  4. Can the STL31N65M5 be used in high-power switching applications?

    • Yes, the STL31N65M5 is suitable for high-power switching applications due to its high voltage and current ratings.

  5. What are the typical gate charge characteristics of the STL31N65M5 MOSFET?

    • The typical gate charge characteristics of the STL31N65M5 can be found in the datasheet under the electrical characteristics section.

  6. Is the STL31N65M5 suitable for use in motor control applications?

    • Yes, the STL31N65M5 can be used in motor control applications due to its high current handling capability.

  7. Does the STL31N65M5 require a heatsink for thermal management?

    • Depending on the application and power dissipation, a heatsink may be required for proper thermal management of the STL31N65M5.

  8. What are the recommended operating temperature ranges for the STL31N65M5?

    • The recommended operating temperature range for the STL31N65M5 is typically -55°C to 150°C.

  9. Can the STL31N65M5 be used in flyback converter circuits?

    • Yes, the STL31N65M5 can be used in flyback converter circuits, but it's important to consider the specific circuit requirements and design considerations.

  10. Are there any application notes or reference designs available for using the STL31N65M5 in technical solutions?

    • Application notes and reference designs for using the STL31N65M5 can be found on the manufacturer's website or by contacting their technical support team.