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Leonard Caillouet Leonard Caillouet is offline
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Default Zener diode color coding

What are the conventions? Got one with a black stripe in the middle, red
stripe next on the end, then a red stripe on the leg. It is on the input
(pin 4) to gnd of a STRG6624 in a Panasonic PS. No schematics on this one.
This is the PT50LC14 that I was looking for the regulator type for. The
rated max on the input is 35v.
I'd guess 12 volts with a tolerance band but the input voltage seems to need
to be between 14 & 22 vdc according to the spec sheet for the regulator.
Maybe I'm reading it backwards and it should be 22.1v?

Anyone know how to read these?

Leonard


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