Currently, this capacitor is leakage current 0.0005mA.The Tan Delta is a dielectric test on the insulating oil to determine its quality, and it is 0.03.
TDL105K025S1A-F Features
a leakage current of 0.0005mA in this capacitor its tan delta is 0.03
TDL105K025S1A-F Applications
There are a lot of Cornell Dubilier Electronics TDL105K025S1A-F applications of tantalum capacitors.