Electrolytic capacitor

I am looking for Capacitor on surface value as given below…
3F5
390
2.5v

Welcome to the DigiKey TechForum zdalki.
The 3F5 is probably a Date or Lot code. The 390 would be 390uf. The 2.5V would be 2.5 Volts.
Click here for the 390uf, 2.5V capacitors that we carry.
Please check the datasheets to verify compatibility to your application.