Capacitance and voltage rating – what the order code tells you
The TAJB475K016SNJ is a tantalum capacitor from the * series, with the order code encoding 4.7 µF capacitance and 16 V rating. That 475 in the part number is the standard EIA code: 47 × 10⁵ pF, or 4.7 µF; the 016 indicates 16 V.