Re: 2n3819 Mosfet
It looks like Vishay have a typo on their data sheet , it should say "bottom view". Looking at the pin-outs from the bottom with the flat side facing upwards the drain is on the left, for the 2N3819 its D,G,S going left to right.
To make life awkward , this is different to the common garden MPF102 which is D,S,G.
It was probably a hang over from the days of vacuum tubes that many devices got specified by bottom view pin outs. However I always thought it interesting that nearly all logic IC's (74 series etc) all had top view pin outs.
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