I really don't know where to go any longer for some things like this. I know, interwebs has it but I usually have questions that scamazon won't answer.
Mouser really is to me a neat lil store. You get in, ask the guy in the counter for the exact stuff you want, they type one or two things in a computer, check if that’s actually what you want and in less than 5 minutes they fetch it
Technically, yes, websites have physical locations in that they are hosted such that, no matter how many levels of containerization and virtualization there are, they eventually run and exist in some way on physical hardware.
If it's important... Double check the output with a meter just to be sure. Only got burned by it once, but for expensive/complex circuits, just give the critical components a sanity check.