The PM Series from MtronPTI is a RF Quartz Crystal with Frequency 8 to 150 MHz, Frequency Stability ±10 ppm, ±15 ppm, ±20 ppm, ±25 ppm, ±30 ppm, ±50 ppm, ±100 ppm, Frequency Tolerance ±10 ppm, ±15 ppm, ±20 ppm, ±25 ppm, ±30 ppm, ±50 ppm, Drive Power Level 10 to 100 µW, Load Capacitance 18 pF. Tags: Surface Mount. More details for PM Series can be seen below.