50 mOhm ESR and the power-rail fit
The TPSD227K010R0050: The 50 mOhm ESR on this 220 µF molded tantalum means the ripple current rating is high enough for a switching-regulator output filter — a 1 A ripple current at 500 kHz produces only 50 mV of ripple voltage across the cap, keeping the rail clean without needing multiple paralleled parts.
Temperature grade and reflow reality
The 2917 (7343 Metric) case is a standard footprint — 7.30 mm x 4.30 mm, 3.10 mm seated height. Check the lot-specific MSL before reflow; if it is MSL 3 and the floor life is exceeded, bake it at 125 °C for 48 hours before the oven or it popcorns.
The ±10 % tolerance is the standard production grade; if the BOM calls for tighter tolerance, confirm the binning before ordering.
