Capacitance, voltage, and ESR — the BOM-fit numbers
This TAJP685K010R is a 6.8 µF tantalum capacitor rated at 10 V with ±10% tolerance — the capacitance and voltage rating are the first check against the BOM line. The 5 Ohm maximum ESR sets the ripple current ceiling: in a 10 V rail with a 100 kHz switching regulator, the self-heating from ripple current through 5 Ohm ESR can push the internal temperature above the ambient rating if the ripple exceeds ~200 mA RMS. Derate for the actual load.
The molded case (Type: Molded) provides mechanical protection and moisture resistance, but the part is not hermetically sealed — conformal coating or a sealed enclosure is still advised for condensing environments.
Package and footprint — 0805 with a height check
The 0805 (2012 Metric) footprint is a standard size, but the seated height of 1.50 mm (0.059") is taller than a typical ceramic 0805 capacitor — check clearance under low-profile components or on the back of a dense PCB. Manufacturer size code P indicates the specific case dimensions within the TAJ series; the 2.05 mm x 1.35 mm land pattern matches the standard 0805 solder pad layout.
