How to use capacitors?

so I just received my sample capacitors.  They are supposed to be 5 kv and a significant capacitance but I don't believe that they are. they are way too small.  I also want to know how exactly to use them, any ideas? 

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iceng5 years ago
Have you got smt soldering experience ?

A (author)  iceng5 years ago
I barely have any soldering experience, ha ha.
ar317915 years ago
They look pretty big for smt capacitors
What are they SUPPOSED to be ? They look too small to me !