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 how to increase life of an smps		  New Topic  Reply to Topic
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MB99
New Member

India
4 Posts
Posted - Apr 22 2010 :  03:28:16 AM  Show Profile  Reply with Quote
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
Edited by - MB99 on Apr 22 2010 05:19:56 AM

pebe
Nobel Prize Winner

United Kingdom
1078 Posts
Posted - Apr 22 2010 :  06:14:09 AM  Show Profile  Reply with Quote
85degC is probably its maximum rated temperature. You'll get a much longer life at a lower working temperature.
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