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Electrolytic capacitor identification

David Rickman

Feb 16, 2018
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This capacitor in my Garmin 551dv fishfinder blew and I need help identifying it and possibly where to get a new one.
 

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Robert_fay

Jun 15, 2017
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Jun 15, 2017
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While I have not identified the exact cap from my previous searches I agree with @hevans1944

405 is likely a dat code 05 month of 2004
220 is likely 220uF
50Z is going to be 50volts and then Z will either be a tolerance or series indicator
 

David Rickman

Feb 16, 2018
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Feb 16, 2018
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While I dont disagree with you, i have no way of finding that out. I want to believe it could have happened due excessive heat, ut is in a black case in direct sunlight or it could jave happened when i had to jumpstart my boat. But for the 88 cents plus shipping i will gladly replace it and see.
 

David Rickman

Feb 16, 2018
6
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Feb 16, 2018
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Yes, it goes right near where the power cable connects, right where im pointing with the screwdriver, you can see the burn mark on the casing too.
 

David Rickman

Feb 16, 2018
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Is the pic uploading?
 

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kellys_eye

Jun 25, 2010
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The adjacent inductor points to an SMPS-derived supply onboard - quite common - and blown capacitors are a definite problem in some designs so your fault could just be pertinent to the design but the severity of the failure is quite surprising.

If/when you change it I'd recommend powering up with the lid off and letting it run for a good few hours to make sure there isn't something else amiss.
 
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