FC12-M Series kHz Range Crystal UnitFC12-M series kHz range SMD tuning fork crystals with an ultra compact 2.0 x 1.2 x 0.6mm size which is achieved through the incorporation of QMEMS and high precision mounting technology. These low profile FC12-M crystal units have a 32 kHz to 77.5 kHz frequency range and offer high integration density, improved design flexibility and advanced functionality.Crystals 2.05 x1.2mm Case