The Abracon ceramic smd crystal is hermetically sealed and not moisture sensitive. It is used as Cellular telephones, pagers, Communication and test equipment, PCMCIA and wireless applications.Frequency 30 MHz ESR (Equivalent Series Resistance) 25 ΩMounting Type Surface MountOperating Temperature -40°C ∼ 85°C AT-cut fundamental or 3rd OT modeSuitable for RoHS reflow profileTight Stability available ±10Ceramic package hermetically glass sealed assures high precision and reliability