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STB140NF55T4
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STB140NF55T4

Introduction

STB140NF55T4 is a power MOSFET belonging to the category of semiconductor devices. This device is commonly used in electronic circuits for its high power handling capabilities and low on-state resistance. The following entry provides an overview of STB140NF55T4, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Semiconductor Device
  • Use: Power MOSFET for electronic circuits
  • Characteristics: High power handling, low on-state resistance
  • Package: TO-263-3
  • Essence: Power switching and amplification
  • Packaging/Quantity: Typically packaged in reels or tubes, quantity varies by manufacturer

Specifications

  • Voltage Rating: 55V
  • Current Rating: 140A
  • On-State Resistance: 4.0mΩ
  • Gate Threshold Voltage: 2.0V
  • Operating Temperature Range: -55°C to 175°C
  • Mounting Type: Surface Mount

Detailed Pin Configuration

  1. Source (S)
  2. Gate (G)
  3. Drain (D)

Functional Features

  • High current capability
  • Low on-state resistance
  • Fast switching speed
  • Low gate drive power required

Advantages and Disadvantages

Advantages

  • Efficient power handling
  • Suitable for high-frequency applications
  • Low conduction losses

Disadvantages

  • Sensitivity to overvoltage spikes
  • Gate capacitance can affect high-frequency performance

Working Principles

STB140NF55T4 operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the flow of current between the source and drain terminals. When a sufficient voltage is applied to the gate, the MOSFET allows a high current to flow through it with minimal resistance.

Detailed Application Field Plans

STB140NF55T4 finds extensive use in various applications, including: - Switching power supplies - Motor control - Audio amplifiers - LED lighting systems - DC-DC converters

Detailed and Complete Alternative Models

  • STP140NF55T4: Similar specifications with different packaging
  • IRF1405: Comparable power MOSFET with slightly different characteristics
  • IXFK140N15T: Alternative option with lower on-state resistance

In conclusion, STB140NF55T4 is a versatile power MOSFET suitable for a wide range of electronic applications due to its high power handling capabilities and low on-state resistance. Its efficient performance makes it a popular choice in various industries, from power supplies to motor control systems.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi STB140NF55T4 dalam penyelesaian teknikal

  1. What is the maximum drain-source voltage for STB140NF55T4?

    • The maximum drain-source voltage for STB140NF55T4 is 55V.

  2. What is the continuous drain current rating of STB140NF55T4?

    • The continuous drain current rating of STB140NF55T4 is 120A.

  3. What is the on-resistance (RDS(on)) of STB140NF55T4?

    • The on-resistance (RDS(on)) of STB140NF55T4 is typically 0.0045 ohms.

  4. What is the gate threshold voltage of STB140NF55T4?

    • The gate threshold voltage of STB140NF55T4 is typically 2.5V.

  5. What are the typical applications for STB140NF55T4?

    • STB140NF55T4 is commonly used in high-current switching applications such as motor control, power supplies, and automotive systems.

  6. What is the operating temperature range for STB140NF55T4?

    • The operating temperature range for STB140NF55T4 is -55°C to 175°C.

  7. Does STB140NF55T4 require a heat sink for high-power applications?

    • Yes, for high-power applications, it is recommended to use a heat sink to dissipate heat effectively.

  8. Is STB140NF55T4 suitable for PWM (Pulse Width Modulation) applications?

    • Yes, STB140NF55T4 is suitable for PWM applications due to its fast switching characteristics.

  9. What is the input capacitance of STB140NF55T4?

    • The input capacitance of STB140NF55T4 is typically 5200pF.

  10. Can STB140NF55T4 be used in parallel to increase current handling capability?

    • Yes, STB140NF55T4 can be used in parallel to increase current handling capability in high-power applications. However, proper attention should be given to current sharing and thermal management.