MOSFET mount
thingiverse
I purchased IRF520 Mosfets that can handle input voltages between 3.3 and 5 volts and allow me to control DC power for LED strings with either 12-volt or 24-volt ratings. I found them on Amazon at https://www.amazon.de/gp/product/B07TWLLTRT/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1. These breakout boards require a mounting system due to their bare contacts that stick out, but this minimalist design takes mere minutes to print and comes in two variants: single or dual. The FreeCAD source files are included for user convenience.
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