The TAJB105M035ANJ is a 1 µF, 35 V molded tantalum capacitor in the TAJ series from KYOCERA AVX. The 35 V rating gives 2× derating margin for a 12 V rail and comfortable margin for 24 V industrial buses — a common practice to keep the tantalum safe from surge-related failures. For a 1 µF decoupling cap on a quiet analog supply this is fine; for a switching regulator output the ripple current may push the internal temperature above the 125°C limit.
The molded case handles the thermal cycling without cracking the dielectric.
