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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by MB99[/i] [br]i had designed an smps, with inout supply of 230V, 50Hz.. the capacitor used at the ouptut of bridge rectifier is 10uF, 400V electrolytic capacitor having a life of 8000hrs @ 85 deg.celcius.. so the smps has a life of less than a year. how can i increase the life to 20years. i see that solid capacitors has a life of 20000hrs, but they are nt available for the same power rating. Please tell me what i can do. Can solid and electrolytic capacitor be connected in parallel [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.