The CAP CER 390PF 200V C0G/NP0 1206 is a type of ceramic capacitor. It has a capacitance value of 390 picofarads and operates at a voltage of 200 volts. The C0G/NP0 designation indicates that it belongs to the C0G or NP0 temperature coefficient class, which means it has a stable capacitance over a wide range of temperatures. This capacitor is available in a 1206 package size, also known as 3216 metric.