Check out Mouser Electronics here: https://mou.sr/new2023 PPTC Fuses from Mouser Electronics: https://mou.sr/resettable-fuses-pptc Try the world's most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: https://www.altium.com/yt/greatscott! Previous video: https://www.youtube.com/watch?v=1dKLF2Ma8nQ eFuse Video: https://www.youtube.com/watch?v=JOhQ3nsR7xo You can buy the shown resettable fuses here: https://mou.sr/BournsMFR050 https://mou.sr/BournsMFR090 Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ Support me for more videos: https://www.patreon.com/GreatScott?ty=h In this Electronics Basics episode we will be having a closer look at resettable fuses which I feel like not too many people know about. Traditional glass fuses are super popular and they basically "destroy" themselves when an overcurrent is flowing. Works perfectly fine, but that means you need to replace them and that can be a problem sometimes. Resettable Fuses do not have this problem, but they come with their own unique advantages and challenges. Let's find out more ;-) Websites which were shown/used during the video: https://www.mouser.de/datasheet/2/54/mf_r-777680.pdf https://www.mouser.com/pdfDocs/eaton-ptc-resettable-fuse-application-guidelines-4.pdf Thanks to Mouser Electronics for sponsoring this video. 0:00 Fuses are Important! 1:30 Intro 2:25 Resettable Fuses & Heat 3:39 How to Select one 5:14 Test Setup & Experiment (Trip) 7:56 Applications 8:23 Leakage Current & Power Losses 10:27 Verdict Resettable Fuse 10:45 Resettable Fuse VS Glass Fuse VS eFuse