ABM11 SMD Ultra Mini Quartz Crystals ABRACON ABM11 SMD Ultra Miniature Quartz Crystals feature fundamental mode and are suitable for reflow. With a ceramic package, metal lid, and seam sealing, the ABM11 series assures high precision and reliability. ABRACON ABM11 SMD Ultra Miniature Quartz Crystals offer a frequency range from 18.000MHz to 80.000MHz and an operating temperature from -10ºC to +60ºC.