The KC-LINK 3640 4.7 NF 1200 VDC C0G is a specific type of ceramic capacitor with certain characteristics. It has a capacitance value of 4700 pF and an accuracy of ±5. The operating voltage for this component is 1200 V (or 1.2 kV), indicating its high-voltage capability. This capacitor belongs to the C0G or NP0 class, which is known for its stability in temperature and frequency.