The Epson Q22FA1280057712 is a 48 MHz SMD quartz crystal from the FA-128 series, housed in a compact 2.0 × 1.6 × 0.5 mm 4-pad package. With a 7 pF load capacitance, ±10 ppm frequency tolerance, 60 Ω ESR, and -40 °C to +85 °C operating range, it delivers stable frequency reference for mobile, Bluetooth, and computing applications.