You're using the 4N35 as a power switch, the collector current is rated 50mA, how much current is needed by the "light bulb"?
Also, if you're only putting 17mA in, don't expect much more out.
You're using the 4N35 as a power switch, the collector current is rated 50mA, how much current is needed by the "light bulb"?
Also, if you're only putting 17mA in, don't expect much more out.