Capacitor and resistor needed

Ok so im building a small strobe light

https://www.aaroncake.net/circuits/strobe.htm

and am trying to get all the parts from goldmine-elec-products.com but the 0.1uF 400 Volt Mylar Capacitor cannot be found anywhere that I know of and I can only find the 350V 10uF Axial Capacitor at mouser.

if anyone has any spares of these laying around let me know or if you know of a site in the US that will have most to all of these parts that would be great as well.

Try these guys
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Just as an aside, Mylar is a tradename of Dupont's polyester. Most places list the same capacitors as polyester film or metalized polyester film.

Digikey stocks them, PN 495-1243-ND to 495-1245-ND they have them up to 630 ( 400VAC ) catalog page:

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