The device in question is a ceramic capacitor with the designations CAP CER 27PF 100V C0G/NP0 0603. This component has a capacitance of 27 pF and can withstand voltages up to 100V. The classification C0G, also referred to as NP0 (1B), signifies that it belongs to the ceramic capacitor group with temperature characteristics close to those of air (insulated by dry air). Its size is specified in metric units as 1608.