Tag Archives: germanium diode

All You Need To Know About The Diode Test Mode On Your Multimeter To Fix Stuff

Posted on by
Reply

Today I watched All You Need To Know About The Diode Test Mode On Your Multimeter To Fix Stuff. Richard listed some typical forward voltages across various types of diodes:

  • Schottky Diode ~ 0.15V
  • Germanium Diode ~ 0.22V – 0.28V
  • Fast Switching Diode ~ 0.4V – 0.45V
  • Silicon Diode ~ 0.5V – 0.6V
  • Red LED ~ 1.7V – 1.8V
  • Yellow LED ~ 1.8V
  • Green LED ~ 2.2V – 2.3V

300in1 diodes

Posted on by

I made some notes about my 300in1 diodes. I have switching diodes, rectifier diodes, zener diodes, and germanium diodes. One thing to note is that germanium diodes are supposed to have a forward voltage of 300mV. One diode I thought was a germanium diode (it was clear with two black bands but no other markings) had a forward voltage of 600mV, I’m not sure what’s up with that, so I put it in my “unknown parts” drawer.