The part number is ECJ-3VB1E124K, which refers to a CAP CER 0.12UF 25V X7R 1206 ceramic capacitor from the manufacturer Adibuja. This component has a capacitance value of 0.12 µF and operates at a voltage of 25V with a tolerance of ±10%. Its case size is 1206, also known as 3216 in metric measurements.