How to combine nonpolar capacitors?

Combining non-polar capacitors involves connecting them either in series or parallel to achieve specific capacitance values or meet particular circuit requirements.

Here's how you can combine non-polar capacitors:

  Series Connection           

When capacitors are connected in series, their total capacitance decreases, and the overall voltage rating increases.

1. Formula for Total Capacitance in Series:

   • To calculate the total capacitance (Ctotal​) of capacitors connected in series, use the reciprocal sum of individual capacitances (C1,C2,C3,…).

   • Example: Two 10μF capacitors in series yield a total capacitance of:

     

  Parallel Connection           

Connecting capacitors in parallel increases the total capacitance while maintaining the voltage rating of individual capacitors.

2. Formula for Total Capacitance in Parallel:
   

   • To find the total capacitance (Ctotal) of capacitors connected in parallel, simply add up the individual capacitances (C1,C2,C3,…).

   • Example: Two 10μF capacitors in parallel yield a total capacitance of 

     

  Application           

By using these connection methods (series or parallel), engineers can combine non-polar capacitors to achieve desired total capacitance values, adapt to circuit requirements, or meet specific voltage tolerances, expanding the capacitive range or enhancing performance in electrical circuits.