Reddit:Electronics

Brand new (old stock) IC, no signs of marking tampering.

https://preview.redd.it/s2uuxyc61scc1.png?width=756&format=png&auto=webp&s=6026bad928eadcc0bebd45e5ba606745e350fb10

Put together my first electronic project. Savaged the fan from an old printer and decided to make something useful. Because the fan is 24V i had to use a step up converter that also tells me the battery voltage.

So I was working on this Full Bridge Rectifier for my high school physics project and saw those transistor-zener diodes working as switch and that capacitance there.

I wanna know how do they enhance the circuit and what are their functions - why did we use them in the first place..

This is my first soldering iron I bought it for 15€ , solder wire is from grandpa , and the rest is from electronic scrap bin in my school. Not the best project (a 12 year old could do it [I am 18] )but for the first time soldering I don't consider it to be the worst.

Found this in the dumpster today. (I like to dive in dumpsters) (diving in dumpsters is fun) 44000µF total capacitance.

NEC die encased. Not much more information was available for this IC.

Built this to test some pcbs I made