we are using Viper16LN to generate 12VDC and 5VDC from 230 VAC. 2 bulky capacitors 10uF 450V are used in i/p side of Viper as per AN2872 Application note. These high value capacitors height is more but we have height constraint max 10mm.

[eedes.1]

so any solution..

[Javier1]

https://www.mouser.es/c/passive-components/capacitors/?capacitance=10%20uF~~-&termination%20style=SMD%2FSMT&voltage%20rating%20dc=450%20VDC~~-&rp=passive-components%2Fcapacitors%7C~Capacitance%7C~Voltage%20Rating%20DC