The FMXMC6S Series from Frequency Management International is a RF Quartz Crystal with Frequency 7 to 150 MHz, Frequency Tolerance ±30 ppm, Drive Power Level 10 to 300 µW, Load Capacitance 6 to 60 pF, Shunt Capacitance 7 pF. Tags: Surface Mount. More details for FMXMC6S Series can be seen below.