EPISODE · May 8, 2026 · 24 MIN
EEVblog 1746 - Schottky vs PN Diodes & Measurement Traps
from EEVblog on Odysee · host EEVblog
Demonstrating the difference between Schottky diodes and PN junction silicon diodes, and how your multimeter can influence your measurement when troubleshooting.Answering an interesting Twitter question.https://x.com/blind_via/status/2052223991839170919https://www.tti.com/content/ttiinc/en/resources/blog/infographics/schottky-diodes.htmlhttps://engineering.purdue.edu/~ee606/downloads/ECE606_f12_Lecture17.pdfForum: https://www.eevblog.com/forum/blog/eevblog-1746-schottky-vs-pn-diodes-measurement-traps/00:00 - Twitter question01:21 - Recreating the problem03:08 - Why doesn't it read zero volts? Let's try a PN junction diode04:21 - Schottky vs PN Junction diodes, they are NOT the same!06:06 - What about a diode tester?07:15 - Why doesn't the Schottky diode work like a diode?08:39 - It's a multimeter measurement TRAP!10:37 - A closer look at Schottky diodes14:21 - Datasheet inspection, and advantages vs disadvantages of Schottky diodes15:21 - Reverse leakage current, PN vs Schottky17:16 - THREE orders of magnitude difference!22:29 - Digital vs Analog multimeter, Analog WINS!Zener Diodes: https://www.youtube.com/watch?v=O0ifJ4oVdG4Orders of Magnitude: https://www.youtube.com/watch?v=jjvIy04PwYIWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=NyGznsgUt7U
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EEVblog 1746 - Schottky vs PN Diodes & Measurement Traps
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