68 µF at 20 V in a 2917 case — the bulk decoupling fit
900 mOhm ESR and the ripple current ceiling
The 900 mOhm ESR at 100 kHz sets the ripple current capability at roughly 0.5 A RMS at 85°C ambient — enough for output filtering on a linear regulator or a low-power DC-DC converter, but marginal for a high-ripple switching supply. For a 12 V rail decoupling a 100 mA load transient, the voltage droop from the ESR is under 90 mV, which is acceptable for most logic and analog rails.
Active lifecycle — no LTB clock
KYOCERA AVX lists the TAJE686M020SNJ as Active.
In an avionics power supply that sees -40°C cold-soak and +105°C under full load, the capacitance stays within ±10% of the 25°C value — no derating curve surprise at the cold end. The 125°C ceiling also covers under-hood automotive and down-hole tool environments.