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STB18NF25
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STB18NF25

Product Overview

Category: Power MOSFET
Use: Switching applications
Characteristics: High voltage, low on-resistance
Package: TO-263
Essence: Power transistor
Packaging/Quantity: Tape and reel, 800 units

Specifications

  • Voltage Rating: 250V
  • Current Rating: 18A
  • On-Resistance: 0.09 ohms
  • Gate Charge: 30nC
  • Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

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

Functional Features

  • Low on-resistance for high efficiency
  • Fast switching speed
  • Low gate charge for reduced power loss

Advantages and Disadvantages

Advantages: - High voltage rating - Low on-resistance - Wide operating temperature range

Disadvantages: - Relatively high gate charge - Limited current rating compared to some alternatives

Working Principles

The STB18NF25 is a power MOSFET that operates based on the principle of field-effect transistors. When a voltage is applied to the gate terminal, it creates an electric field which controls the flow of current between the drain and source terminals.

Detailed Application Field Plans

The STB18NF25 is suitable for use in various switching applications such as power supplies, motor control, and lighting systems. Its high voltage rating and low on-resistance make it ideal for applications requiring efficient power management and high reliability.

Detailed and Complete Alternative Models

  1. STP16NF06L
    • Voltage Rating: 60V
    • Current Rating: 16A
    • On-Resistance: 0.08 ohms
    • Package: TO-220
  2. IRF540N
    • Voltage Rating: 100V
    • Current Rating: 33A
    • On-Resistance: 0.044 ohms
    • Package: TO-220

This entry provides comprehensive information about the STB18NF25 power MOSFET, including its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de STB18NF25 en soluciones técnicas

  1. What is the maximum drain-source voltage of STB18NF25?

    • The maximum drain-source voltage of STB18NF25 is 250V.

  2. What is the continuous drain current rating of STB18NF25?

    • The continuous drain current rating of STB18NF25 is 18A.

  3. What is the on-resistance of STB18NF25?

    • The on-resistance of STB18NF25 is typically 0.036 ohms.

  4. Can STB18NF25 be used in automotive applications?

    • Yes, STB18NF25 is suitable for automotive applications.

  5. What is the gate threshold voltage of STB18NF25?

    • The gate threshold voltage of STB18NF25 typically ranges from 2V to 4V.

  6. Is STB18NF25 suitable for switching power supplies?

    • Yes, STB18NF25 is commonly used in switching power supply applications.

  7. Does STB18NF25 require a heat sink for high-power applications?

    • Yes, a heat sink is recommended for high-power applications to ensure proper thermal management.

  8. What is the typical input capacitance of STB18NF25?

    • The typical input capacitance of STB18NF25 is around 1300pF.

  9. Can STB18NF25 be used in motor control applications?

    • Yes, STB18NF25 is often employed in motor control and drive applications.

  10. What are some common alternatives to STB18NF25 for similar technical solutions?

    • Some common alternatives to STB18NF25 include STP16NF06, IRF3205, and FQP30N06L.