The FMXTHC3S Series from Frequency Management International is a RF Quartz Crystal with Frequency 12 to 100 MHz, Frequency Tolerance ±50 ppm, Drive Power Level 50 to 300 µW, Load Capacitance 8 to 60 pF, Shunt Capacitance 7 pF. Tags: Surface Mount. More details for FMXTHC3S Series can be seen below.