Is Digi-Key Canada one of the sources you tried?
https://www.digikey.ca/product-detai...yABEgLtOvD_BwE
https://www.digikey.ca/product-detai...SABEgKUy_D_BwE
Otherwise, there seem to be lots on ebay for as low as $1.47US including shipping to the US....