20 x 2200pF 2.200nF 250V RM7,5 Folien Kondensator Capacitor Radi WIMA 20pcs | eBay
ELECTRONICON Kondensatoren GmbH
Guy buys 4090, examines the back and finds that a capacitor has been partially set on another component. (german post, but the photos are self-explanatory) : r/LinusTechTips