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noreply@digikey.com — Fri, 27 Apr 2012 20:21:48 GMT

Hello rockin_bassboy,

Welcome to TechXchange.

I spoke with one of our Technical Support Specialist to gather some capacitor information for you. Please find it below:

Basically on capacitors some of the information which is most important would be:

Package Type: Thru Hole (where the leads are on the device) or surface mount (where the leads are usually soldered to the top side of the board)

Value: The value of the capacitor in uF (microfarad) or pF(picofarad).

Voltage Rating: This would be the DC voltage rating of the capacitor. It is acceptable to choose a higher value voltage rating if need be.

Temperature Rating: Heat is usually the cause of electrolytic capacitor failure in products which I have seen when I used to do electronics service. One thing I like to do is to increase the temperature rating to the "next higher" temperature above what the original part was. Another parameter I look at is the "lifetime rating" of the part. Again, I like to choose the longer life time rating for parts if I am servicing items with defective capacitors.

Tolerance: This is a value you could also deviate on. It is acceptable practice to choose a better tolerance. The lower the number, the better to tolerance.

I hope this information is of some help, and of you are always welcome to contact our technical support department (tech.emails@digikey.com) to help them with product selection.

Thanks,

Jennifer

Community Manager

New here

noreply@digikey.com — Fri, 27 Apr 2012 03:48:58 GMT

Hey everyone I'm new at this sight my friend turned me on for buying parts to fix circuit boards. Some tips would be nice on capacitors

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