The specified component is a 0.9 picofarad ceramic capacitor with a tolerance of ±0.1 picofarads and a maximum working voltage of 250 volts. It conforms to the C0G/NP0 classification, which signifies a temperature-stable and highly reliable type. This capacitor measures 0603 or 1608 in metric dimensions and is marked as "1B" indicating its specific characteristics within that series.