T491B106K010AT is a 0.1 µF ceramic capacitor made by Kemet. It has a 10 V voltage rating, a 10 % tolerance, and is leadless as indicated by the "T" in the part number. The part is rated for X7R dielectric and has a C0G temperature coefficient. The part is designed for use in high frequency and high temperature applications, making it suitable for use in industrial, medical, and automotive electronics.