Found 6 alternatives for 597D477X9016H2T by Vishay Sprague. Tantalum Capacitors — 3226 (8066 Metric).
CAP TANT 220UF 20% 25V 3226
CAP TANT 220UF 10% 25V 3226
CAP TANT 330UF 10% 20V 3226
CONFORMAL COATED TANTALUM CAP
CAP TANT 330UF 20% 20V 3226
CONFORMAL COATED TANTALUM CAP