4.7 µF at 50 V — bulk decoupling for a 50 V rail
The TAJD475M050H is a molded tantalum capacitor from the KYOCERA AVX TAJ series, rated 4.7 µF ±20% at 50 V with a 1.4 Ohm ESR. That ESR figure sets the ripple current handling and the output impedance on a 50 V supply rail — for a switching regulator output or a bus hold-up cap, the 1.4 Ohm limit means the ripple voltage at the load is the product of the ripple current and this resistance, not just the capacitance alone.
Military temp range, commercial cost structure
Active lifecycle — no obsolescence clock
No last-time-buy notice, no EOL deadline — this BOM line is not under obsolescence pressure.