Molded tantalum, 2.2 µF, 10 V — 0805 footprint
The TAJR225K010RNJ: This is a molded tantalum capacitor from the TAJ series, rated 2.2 µF at 10 V with ±10% tolerance. The 0805 case (2.05 mm x 1.30 mm) matches standard 0805 pad layouts — no footprint surprise during board respin. The 15 Ohm ESR is the figure to budget for ripple current and self-heating in power-supply decoupling; a higher ESR means the capacitor dissipates more heat under AC ripple, which reduces the usable ripple current rating.