STMicroelectronics
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STFW3N170
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STFW3N170

Product Overview

Category

STFW3N170 belongs to the category of power MOSFETs.

Use

It is used as a high-voltage, fast-switching N-channel enhancement mode power field-effect transistor.

Characteristics

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

Package

The STFW3N170 is typically available in a TO-247 package.

Essence

The essence of STFW3N170 lies in its ability to efficiently control high voltages and currents in various electronic applications.

Packaging/Quantity

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

Specifications

  • Drain-Source Voltage (VDS): 170V
  • Continuous Drain Current (ID): 3A
  • On-Resistance (RDS(on)): 1.5Ω
  • Input Capacitance (Ciss): 1100pF
  • Power Dissipation (PD): 75W

Detailed Pin Configuration

The STFW3N170 features a standard three-pin configuration: 1. Gate (G) 2. Drain (D) 3. Source (S)

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

  • Suitable for high-voltage applications
  • Fast switching speed
  • Low power dissipation

Disadvantages

  • Higher on-resistance compared to some alternative models
  • Limited current handling capacity

Working Principles

STFW3N170 operates based on the principles of field-effect transistors, utilizing the control of electric fields to modulate the conductivity of the channel between the drain and source terminals.

Detailed Application Field Plans

STFW3N170 finds application in: - Switching power supplies - Motor control - Inverters - LED lighting - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to STFW3N170 include: - IRF540N - FQP30N06L - IRLB8748

In conclusion, STFW3N170 is a high-voltage power MOSFET with fast-switching characteristics, making it suitable for a range of power electronics applications.

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  1. What is STFW3N170?

    • STFW3N170 is a power MOSFET transistor designed for high-speed, high-voltage applications.

  2. What are the key features of STFW3N170?

    • The key features of STFW3N170 include a low on-resistance, high switching speed, and a high breakdown voltage.

  3. What are the typical applications of STFW3N170?

    • Typical applications of STFW3N170 include power supplies, motor control, and automotive systems.

  4. What is the maximum voltage rating for STFW3N170?

    • The maximum voltage rating for STFW3N170 is typically around 170V.

  5. What is the on-resistance of STFW3N170?

    • The on-resistance of STFW3N170 is typically in the range of a few ohms.

  6. Is STFW3N170 suitable for high-frequency switching applications?

    • Yes, STFW3N170 is designed for high-speed switching applications.

  7. Does STFW3N170 require a heat sink for thermal management?

    • Depending on the application and power dissipation, a heat sink may be required for optimal thermal management.

  8. What is the operating temperature range for STFW3N170?

    • The operating temperature range for STFW3N170 is typically -55°C to 175°C.

  9. Can STFW3N170 be used in automotive electronics?

    • Yes, STFW3N170 is suitable for use in automotive electronic systems.

  10. Are there any recommended driver circuits for driving STFW3N170?

    • Various driver circuits can be used to drive STFW3N170, and the choice depends on the specific application requirements.