10 µF, 25 V, 1.2 Ohm ESR — bulk decoupling fit
The TAJD106K025HNJ: 10 µF at 25 V with a 1.2 Ohm ESR at 100 kHz — this is a mid-value tantalum for power-rail smoothing or output filtering where the ESR sets the ripple attenuation. The ±10% tolerance keeps the capacitance window tight enough for most decoupling and timing circuits.
Temperature grade and endurance
The 2000-hour rating at 125°C means the capacitor's wear-out mechanism is characterized; derate voltage above 85°C per the manufacturer's guidelines to extend life.
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