What the temperature range and ESR tell you about fit
The TAJC475K035HNJ: The 2000-hour endurance at 125°C is the wear-out floor; derating voltage below 35 V extends life further. ESR is 2.2 Ohm at 100 kHz — this is the impedance floor for ripple current in a switching regulator output. A 4.7 µF cap with this ESR handles moderate ripple; for low-ESR requirements (e.g., FPGA decoupling), consider a polymer or MLCC alternative.
Listed as Active — KYOCERA AVX continues to manufacture the TAJ series.
Package and footprint — size code C
Molded case, size code C, measuring 6.00 mm x 3.20 mm x 2.80 mm. The 2312 (6032 Metric) footprint is standard for this capacitance and voltage — the polarity band marks the anode end.