The KC-LINK 1812 9.1 NF 650 VDC C0G is a type of ceramic capacitor with specific electrical properties. It has a capacitance value of 9100 pF and operates within the range of ±1% at its rated voltage of 650 VDC. This capacitor features a C0G or NP0 temperature coefficient, indicating stability across varying temperatures, and comes in the metric size designation of 4532, equivalent to the standard 1812 package size.