The Xtal6035S from Dynamic Engineers is a RF Quartz Crystal with Frequency 8 to 50 MHz, Frequency Stability ±15 to ±50 ppm, Drive Power Level 10 to 300 uW, Shunt Capacitance 7 pF, Equivalent Series Resistance 30 to 60 Ohms. Tags: Surface Mount. More details for Xtal6035S can be seen below.