The FMXMC2S Series from Frequency Management International is a RF Quartz Crystal with Frequency 12 to 50 MHz, Frequency Tolerance ±30 ppm, Drive Power Level 10 to 200 µW, Load Capacitance 8 to 60 pF, Shunt Capacitance 5 pF. Tags: Surface Mount. More details for FMXMC2S Series can be seen below.