Capacitors - Stored Energy

Calculate energy stored in a capacitor, power generated during discharge, and discharge time at constant power load

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Energy Stored (W)-- J
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Power Generated (P)-- W
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Discharge Time (dt)-- s
MaterialBreakdown Voltage (V/mil)
Air240
Alsimag240
Bakelite300
Bakelite, mica-filled325 - 375
Cellulose acetate250 - 600
Formica450
Glass, window200 - 250
Glass, Pyrex335
Mica, ruby3800 - 5600
Mycalex250
Plexiglas990
Polyethylene1200
Polystyrene500 - 700
Porcelain40 - 100
Quartz, fused1000
Steatite, low-loss150 - 315
Teflon1000 - 2000