ABM11W-38.4000MHZ-8-B1U-T3 is a low-profile quartz crystal designed for energy-saving wearables and IoT applications. This fundamental mode crystal operates at 38.4 MHz with a load capacitance of 8.0 pF and features a compact 2.0 x 1.6 x 0.5 mm package, making it ideal for height-constrained designs. It offers a frequency tolerance of ±10 ppm at +25°C and frequency stability of ±20 ppm over the operating temperature range of -40°C to +85°C. The seam-sealed construction ensures long-term reliability, and the device is RoHS/RoHS II compliant. Common applications include Bluetooth/BLE modules, wireless modules, machine-to-machine connectivity, ultra-low power MCUs, and NFC devices.