The TAJA226M016RNJ: This is a 22 µF, 16 V molded tantalum capacitor from the KYOCERA AVX TAJ series, in a standard 1206 (3216 Metric) surface-mount package.
The 1206 case measures 3.20 mm x 1.60 mm with a seated height of 1.80 mm max. The manufacturer size code A indicates the smallest case in the TAJ series for this capacitance and voltage combination — verify the pad layout matches your board's decoupling capacitor land pattern before committing the BOM.
