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| Calculation of Capacitance.
The following formula is used to calculate the capacitance between rectangular parallel plates where:- 'd' is the gap between plates, 'k' is the dielectric constant and 'A' is the area of the smaller plate. This calculation uses Java so you will need scripts or ActiveX enabled. | |
| Enter Width in inches (smallest plate) | inches |
 width in millimetres |
mm |
| Enter Height in inches (smallest plate) | inches |
| height in millimetres |
mm |
| Enter dielectric constant (see dropdown list above) | k |
| Enter spacing between plates in inches (1mm=.0394in) | inches |
| spacing between plates in millimetres |
mm |
| Enter total number of plates (moving & fixed) | |
| |
| Capacitance | pF |
| Area of plate calculated from W & L (Imperial) | sq inches |
| Area of plate calculated from W & L (Metric) | sq cm |
| Approx. breakdown volts per thou (0.001in) see list below | |
| Once you hit Calculate and have a result, you can change any value and Calculate again. | |
| Back to Calculations | |
| Page Last updated 08-04-2011 | |