This is an interesting schematic. I hadn't noticed this one before on Sam's website. Apparently the two 1N4001s are connected in series to be used as two zener diodes. Why not use a single 1N4002? Maybe to hand select for the right combination of the two to give the total breakdown voltage. I'm guessing about 150V each. Never tried it, tho.
- posted
20 years ago
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