The T491D476K020AT is a Type T491 Aluminum Electrolytic Capacitor with "C0G" / NP0 Dielectric. This capacitor is made by Kemet and features a 4.76uF capacitance, 20V voltage rating, and is a 1206 size Type T491 case. It is a non-polarized, axial-lead capacitor with extended life, low impedance and low ESR. This Kemet capacitor is ideal for use in automotive, oil exploration, instrumentation and other applications where a reliable, long life J-STD-020D compliant, reliable capacitor is needed.