A simple electronic circuit containing a resistor and an ideal (perfect) capacitor has an equivalent series resistance of 7.5Ohm, also referred to as internal resistance.To determine the quality of an insulating oil, it is tested for its Tan Delta, which is 0.04.
F971C105MAA Features
its tan delta is 0.04
F971C105MAA Applications
There are a lot of Nichicon F971C105MAA applications of tantalum capacitors.