The 32.768KHZ-STD-MUA-9 with SMD Crystal Resonators SMD-3215_2P RoHS manufactured by Nihon Dempa Kogyo is a surface-mounted 2-pin crystal resonator that is RoHS compliant. It has a frequency of 32.768 kHz and is a standard MUA-9 size measuring 15mm x 3.2mm. It is designed for stability in temperature and long life performance and is based on a quartz crystal design and construction. This crystal resonator is widely used in watches, computers, and other electronic equipment that require precise timing and signal synchronization.