8Z SMD Seam Sealing Crystals TXC 8Z SMD Seam Sealing Crystals are surface mount crystal units with high precision and high-frequency stability, measuring 2.5mm x 2.0mm x 0.55mm. These quartz crystals feature excellent heat resistance and environmental characteristics and are offered in frequencies ranging from 12MHz to 66MHz. 8Z crystal units can operate within -10°C to +70°C temperatures with a 3pF maximum shunt capacitance. These RoHS-compliant, lead-free TXC crystal units are ideal for applications used in personal computers, digital still/video cameras, PDAs, or tablets.