This unit had approximately 50K running hours before it failed; upon opening, a bulging (and heat stressed) TK UTWHM series 450V 10uF unit caused the TOP278 IC to blow its top off.
Other electrolytic capacitors were a 25V 680uF Taicon HH (output filter) and 22uF 50V Hermei LR (driver circuit), both of which have not failed.
Other electrolytic capacitors were a 25V 680uF Taicon HH (output filter) and 22uF 50V Hermei LR (driver circuit), both of which have not failed.