The BC34 Series from Bomar Crystal is a RF Quartz Crystal with Frequency 7 to 270 MHz, Frequency Stability ±10ppm to ±50ppm, Frequency Tolerance ±30ppm(Standard), ±10ppm to ±100ppm(Available), Drive Power Level 200 µW, Load Capacitance 8 to 100 pF. Tags: Surface Mount. More details for BC34 Series can be seen below.