Epson FA-20H MHz Range Crystals incorporate an ultra-miniature size low profile SMD footprint with 2.5mm × 2mm × 0.55mm dimensions. These crystals exhibit a 12MHz to 54MHz frequency range and fundamental overtone order. The FA-20H crystals operate in the -40°C to 85°C temperature range. These MHz range crystals are ideally suited for the applications such as mobile phones, BLUETOOTH®, W-LAN, ISM band radios, and clocks for MPUs.