For North America, the usuals are Mouser, Digikey, Arrow, and
Newark, pretty much in that order.
They'll get you on shipping costs, though. Arrow used to have
I ordered from Mouser. Shipping was $8 so I ordered double of everything to make shipping worth it (ha!) and to start my collection of spares.
Yeah, the supply chain issues several industries are having is phenomenal. On the flip side it is making used items very valuable.
--- Mystic BBS v1.12 A46 2020/08/26 (Linux/64)
* Origin: Free Speech You Smeg Head (21:1/225)