IQD Frequency Products Crystals LFXTAL011301REEL are 8MHz quartz crystals with a tolerance of ±30ppm and a stability of ±50ppm. They have a capacitance of 30pF, a fundamental load of 40Ohm, and a 2-pin HC-49/4H SMX SMD T/R package. These crystals are suitable for a wide range of applications, including frequency control, timing, and synchronization. They are ideal for use in consumer electronics, automotive, medical, and industrial applications. They offer excellent frequency stability and low power consumption, making them a reliable and cost-effective choice.