STB57N65M5 STMicroelectronics MOSFET N-CH 650V 42A D2PAK


The STB57N65M5 is a specific N-channel MOSFET manufactured by STMicroelectronics. Here is some information about this particular MOSFET:


  • Manufacturer: STMicroelectronics
  • Part Number: STB57N65M5
  • Type: N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
  • Voltage Rating: 650V
  • Current Rating: 42A
  • Package: D2PAK (TO-263-3)
  • DataSheet

    STB57N65M5 PDF

Main Uses/Application Fields:

  • Power Electronics: MOSFETs are widely used in power electronics applications due to their high switching speeds and efficiency.
  • Switching Circuits: MOSFETs are often used as switches in power supply circuits, motor control circuits, inverters, and voltage regulators.
  • Amplification: MOSFETs can also be used as amplifiers in certain circuits, such as audio amplifiers and RF amplifiers.
  • Voltage Regulation: They are commonly used in voltage regulation and power management circuits in various electronic devices.

Technical Specifications:

  • N-Channel MOSFET: This indicates that the MOSFET is constructed with an N-channel, which is the most common type of MOSFET in use today.
  • 650V Voltage Rating: The MOSFET can withstand a maximum voltage of 650V, making it suitable for high-voltage applications.
  • 42A Current Rating: The MOSFET can handle a continuous current of up to 42A, allowing it to carry substantial amounts of current.
  • D2PAK Package: The D2PAK (TO-263-3) package is a surface-mount power package with three leads, providing good thermal conductivity and ease of mounting on PCBs.


  • High Voltage Capability: The 650V rating allows the MOSFET to be used in applications where higher voltages are present.
  • High Current Handling: With a 42A rating, the MOSFET can efficiently handle substantial current loads.
  • Low On-Resistance: MOSFETs typically have low ON-resistance, leading to lower conduction losses and improved efficiency.
  • Fast Switching Speeds: MOSFETs have fast switching speeds, making them suitable for high-frequency switching applications.

For detailed technical specifications, thermal characteristics, electrical parameters, and other specific information about the STB57N65M5 MOSFET, it is recommended to consult the official datasheet or documentation provided by STMicroelectronics.