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STP140N8F7
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STP140N8F7

Introduction

The STP140N8F7 is a power MOSFET belonging to the category of electronic components used for power management and control. This device offers high performance and reliability, making it suitable for a wide range of applications.

Basic Information Overview

  • Category: Power MOSFET
  • Use: Power management and control
  • Characteristics: High performance, reliability
  • Package: TO-220
  • Essence: Efficient power handling
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Voltage Rating: 80V
  • Current Rating: 120A
  • RDS(ON): 0.0014 Ohm
  • Gate Charge (Qg): 75nC
  • Operating Temperature Range: -55°C to 175°C
  • Mounting Type: Through Hole

Detailed Pin Configuration

The STP140N8F7 features a standard TO-220 pin configuration with three pins: 1. Gate (G): Input for controlling the switching of the MOSFET 2. Drain (D): Connection to the load or power supply 3. Source (S): Common reference point and return path for the current

Functional Features

  • Low RDS(ON) for minimal conduction losses
  • High current handling capability
  • Fast switching speed for efficient power control
  • Enhanced thermal performance for reliability

Advantages and Disadvantages

Advantages

  • High efficiency
  • Reliable performance
  • Suitable for high-power applications
  • Low conduction losses

Disadvantages

  • Higher cost compared to standard MOSFETs
  • Larger physical footprint due to TO-220 package

Working Principles

The STP140N8F7 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. By modulating the gate voltage, the MOSFET can efficiently regulate power flow in various electronic circuits.

Detailed Application Field Plans

The STP140N8F7 is well-suited for a diverse range of applications, including: - Switched-mode power supplies - Motor control systems - Inverters and converters - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

  • STP140NF75: Similar specifications with a different package (TO-220FP)
  • IRF3205: Comparable performance with a TO-220 package
  • IXFH120N65X2: Higher voltage rating and current capacity with a TO-247 package

In conclusion, the STP140N8F7 power MOSFET offers high-performance characteristics and reliability, making it an ideal choice for power management and control applications across various industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací STP140N8F7 v technických řešeních

  1. What is the maximum drain-source voltage for STP140N8F7?

    • The maximum drain-source voltage for STP140N8F7 is 80 volts.

  2. What is the continuous drain current rating of STP140N8F7?

    • The continuous drain current rating of STP140N8F7 is 140 amperes.

  3. What is the on-resistance (RDS(on)) of STP140N8F7 at a specific voltage and temperature?

    • The on-resistance (RDS(on)) of STP140N8F7 varies with voltage and temperature, but it typically ranges from 4.5 milliohms to 6.5 milliohms.

  4. Can STP140N8F7 be used in automotive applications?

    • Yes, STP140N8F7 is suitable for automotive applications due to its high current and voltage ratings.

  5. What is the typical gate charge of STP140N8F7?

    • The typical gate charge of STP140N8F7 is around 150 nanocoulombs.

  6. Is STP140N8F7 suitable for use in power supplies?

    • Yes, STP140N8F7 is commonly used in power supply applications due to its high current handling capability.

  7. What is the junction temperature range for STP140N8F7?

    • The junction temperature range for STP140N8F7 is -55°C to 175°C.

  8. Does STP140N8F7 require a heatsink for certain applications?

    • Depending on the application and power dissipation, a heatsink may be required to ensure proper thermal management for STP140N8F7.

  9. What are the typical switching characteristics of STP140N8F7?

    • The typical switching characteristics include low input and output capacitance, fast switching speeds, and low gate charge.

  10. Can STP140N8F7 be used in audio amplifier circuits?

    • While STP140N8F7 is primarily designed for power switching applications, it can also be utilized in audio amplifier circuits that require high current handling capabilities.