The Kemet ALC70A821DC250 is an aluminium electrolytic capacitor with snap-in style lead design, rated with a voltage rating of 250V and a capacitance of 820uF (microfarads) with a 20% tolerance and an expected lifespan of 15,000 hours at 85 degrees Celsius. The capacitor construction uses a stamped aluminium base case, snap-in leads, and an aluminium electrolytic core with an electrolytic separator, which is then filled with electrolyte and sealed. This capacitor is designed for use in a variety of industrial and commercial applications including power supplies, filters, converters, amplifiers, etc.