The JXS21-WA from Jauch Quartz is a RF Quartz Crystal with Frequency 16 to 80 MHz, Frequency Stability ± 10 ppm, ±13 ppm, ±15 ppm, ±20 ppm, ±25 ppm, ±30 ppm, Frequency Tolerance ±10 ppm, Drive Power Level 100 µW, Load Capacitance 6 to 12 pF. Tags: Ceramic, Surface Mount. More details for JXS21-WA can be seen below.