STMicroelectronics
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
STW45NM50
Details bekijken DataSheets

STW45NM50

Product Overview

Category: Power MOSFET
Use: High voltage applications
Characteristics: Low on-resistance, high switching speed
Package: TO-247
Essence: Power efficiency and reliability
Packaging/Quantity: Tube/25 units

Specifications

  • Voltage Rating: 500V
  • Current Rating: 41A
  • On-Resistance: 0.036 ohms
  • Gate Charge: 38nC
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

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

Functional Features

  • Low on-resistance for high efficiency
  • Fast switching speed for improved performance
  • High voltage rating for versatile applications

Advantages

  • Excellent power handling capability
  • Reduced power dissipation
  • Enhanced system reliability

Disadvantages

  • Higher cost compared to standard MOSFETs
  • Sensitive to static electricity

Working Principles

The STW45NM50 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. By modulating the gate voltage, the MOSFET can efficiently switch high currents with minimal power loss.

Detailed Application Field Plans

  1. Switching Power Supplies: Utilized in high-voltage power supplies for efficient energy conversion.
  2. Motor Control: Enables precise control of high-power motors in industrial applications.
  3. Inverters: Used in high-frequency inverters for renewable energy systems.

Detailed and Complete Alternative Models

  1. STW40N20: Similar specifications with a lower voltage rating
  2. STW55NM60: Higher voltage and current ratings for more demanding applications
  3. STW33N20: Lower on-resistance for improved efficiency in specific scenarios

This comprehensive entry provides an in-depth understanding of the STW45NM50 Power MOSFET, including its specifications, features, applications, and alternatives.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van STW45NM50 in technische oplossingen

  1. What is the maximum voltage rating of STW45NM50?

    • The maximum voltage rating of STW45NM50 is 500V.

  2. What is the maximum continuous drain current of STW45NM50?

    • The maximum continuous drain current of STW45NM50 is 45A.

  3. What are the typical applications of STW45NM50?

    • STW45NM50 is commonly used in applications such as motor control, power supplies, and DC-DC converters.

  4. What is the on-resistance of STW45NM50?

    • The on-resistance of STW45NM50 is typically around 0.036 ohms.

  5. Is STW45NM50 suitable for high-frequency switching applications?

    • Yes, STW45NM50 is suitable for high-frequency switching due to its low gate charge and capacitance.

  6. Does STW45NM50 require a heatsink for operation?

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

  7. What is the operating temperature range of STW45NM50?

    • STW45NM50 has an operating temperature range of -55°C to 150°C.

  8. Can STW45NM50 be used in automotive applications?

    • Yes, STW45NM50 is suitable for automotive applications, including motor control and power distribution.

  9. What is the gate-source voltage (Vgs) required for STW45NM50 to fully turn on?

    • The gate-source voltage required for STW45NM50 to fully turn on is typically around 10V.

  10. Are there any recommended driver ICs for driving STW45NM50 in high-power applications?

    • Driver ICs with suitable drive strength and voltage capability, such as IR2110 or TC4427, are commonly recommended for driving STW45NM50 in high-power applications.