0.68 µF, 25 V, 10 Ohm ESR — TAJ series molded tantalum
The TAJA684K025H: The 10 Ohm ESR at 25 V is the figure that governs ripple current handling — for a 100 kHz switching regulator input filter, the I²R loss at rated ripple will raise the internal temperature, so the 125 °C ceiling leaves headroom only if the ripple current is kept under the datasheet's thermal derating curve.
Supplied on Tape & Reel for automated assembly. The molded case offers good mechanical stability during reflow — no cracking risk from the soldering profile as long as the preheat ramp stays within the standard tantalum capacitor recommendations.