MSAST042SCG6R7CWNA01 is a reference number for a specific CAP CER 6.7PF 25V C0G/NP0 01005 ceramic capacitor. It has a capacitance of 6.7 pF and operates at a voltage of 25V. The capacitor follows the C0G, NP0 specifications and comes in the 01005 (0402 Metric) package size.