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LTspice Infineon NMOS Library

UPDATED: LTspice Infineon NMOS Library is a semi-complete bundle of Infineon's Power N-Channel MOSFETs up to 950V, current as of January 2021.

It is missing odd symbols such as power modules, dual MOSFETs, etc.

It uses Infineon's publically available libraries, but includes native LTSpice symbols, allowing for easy use and installation.

When available, it uses their native LTSpice libraries, but when not, PSpice libraries are used. LTSpice has no problem with PSpice libraries. There are no encrypted symbols included unfortunately, but only a handful of Infineon's models use encryption so this is not too big an issue.

Current model & symbol count: 3849 N-channel MOSFETs and counting.


  1. Download LTspice Infineon NMOS Library.
  2. Unzip the downloaded file.
  • macOS:
    1. Copy the LTspiceInfineonNMOSLibrary/sym/InfineonNMOS folder
      into ~/Library/Application\ Support/Ltspice/lib/sym
    2. Copy the contents of the LTspiceInfineonNMOSLibrary/sub folder
      into ~/Library/Application\ Support/Ltspice/lib/sub (Do NOT overwrite anything!)
  • Windows LTspice IV:
    1. Copy LTspiceInfineonNMOSLibrary\sym\InfineonNMOS
      to C:\Program Files\LTC\LTspiceIV\lib\sym\InfineonNMOS
    2. Copy the contents of LTspiceInfineonNMOSLibrary\sub
      to C:\Program Files\LTC\LTspiceIV\lib\sub (Do NOT overwrite anything!)
  • Windows LTspice XVII:
    1. Copy LTspiceInfineonNMOSLibrary\sym\InfineonNMOS
      to %USERPROFILE%\Documents\LTspiceXVII\lib\sym\InfineonNMOS
    2. Copy the contents of LTspiceInfineonNMOSLibrary\sub
      to %USERPROFILE%\Documents\LTspiceXVII\lib\sub (Do NOT overwrite anything!)
  1. Restart LTspice IV / XVII. You should now be able to access the Infineon parts under 'InfineonNMOS'.
  2. Dance a happy jig.


  • Original symbols of the LTspice Infineon NMOS Library are released under the MIT License
  • All .lib files are Infineon's and subject to their licensing and usage terms which can be found in the text of each spice library.
  • Original models can be found here


Nearly 2000 Infineon NMOS Power MOSFET models - for LTspice!



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