The SMU2 from Jauch Quartz is a RF Quartz Crystal with Frequency 4 to 33 MHz, Frequency Stability ±30 ppm, ±50 ppm, ±100 ppm, ±150 ppm, Frequency Tolerance ±20 ppm / ±30 ppm / ±50 ppm, Drive Power Level 500 uW, Load Capacitance 12 to 32 pF. Tags: Surface Mount. More details for SMU2 can be seen below.