The K38270002020 DT-38 Crystals ROHS manufactured by KYX are small, highly reliable, electronic components composed of a tiny piece of quartz crystal encased in a hard hermetic steel package. These crystals are used in a variety of electronic applications including oscillators, radios, watches, and computers. They are ideal for products requiring long periods of operation in a variety of harsh environments. The K38270002020 has an operating frequency range of 20MHz to 20.2MHz and a stability of 0.5ppm. It also has an aging rate of 10ppm/year and an insulation resistance of over 1,000MO. These crystals are ROHS compliant and environmentally friendly.