The 274 Series from Oscilent is a RF Quartz Crystal with Frequency 6 to 80 MHz, Frequency Stability ±10 to ±100 ppm, Frequency Tolerance ±10 to ±50 ppm, Drive Power Level 0.01 to 1000 µW, Load Capacitance 16, 20, 30 pF. Tags: Surface Mount. More details for 274 Series can be seen below.