3.3 µF, 6.3 V, 1206 — molded tantalum for tight boards
The TAJS335M006RNJ is a molded tantalum capacitor from the KYOCERA AVX TAJ series, rated at 3.3 µF with ±20% tolerance and a 6.3 V DC voltage rating. The 1206 (3216 Metric) surface-mount package measures 3.20 mm x 1.60 mm with a seated height of 1.20 mm, fitting standard pick-and-place and reflow profiles. For a 100 kHz buck output filter, the ESR dominates the output ripple voltage; a lower-ESR polymer or ceramic alternative would be needed if ripple is critical, but this part's molded construction gives it a mechanical advantage over chip ceramics in vibration-prone environments.
The molded case provides better moisture resistance than uncoated chip tantalums in high-humidity environments.