The TAJA225K010HNJ: This is a molded tantalum capacitor from the TAJ series, rated 2.2 µF at 10 V with ±10% tolerance. The 1206 (3216 Metric) case is a common footprint, so it fits existing PCB layouts designed for that size.
Rated life at 125°C — where this cap fits on the board
That 125°C endurance means it can sit near a hot MOSFET or regulator in an industrial motor drive or an automotive underhood module — but 2000 hours at the ceiling is about 83 days continuous. If your ambient runs cooler, the life extends per the Arrhenius derating; if the application sees sustained 125°C, plan for periodic replacement or derate the voltage to reduce stress.
Listed as Active on the manufacturer's lifecycle.