I got a "zener diode" which the vendor sold me as a 16V 2W zener diode.
It does not have a polarity sign and with a multimeter it seems always open!
But when I apply 25V or so (with a suitable resistor, of course) it reduces to appr. 17V.
It seems to be working!
How can this be?
It does not have a polarity sign and with a multimeter it seems always open!
But when I apply 25V or so (with a suitable resistor, of course) it reduces to appr. 17V.
It seems to be working!
How can this be?