HCI2114-330 is a part from Ferrocore, a manufacturer of electronic components and systems. This component is a piezo transducer that is used in applications where an acoustic signal needs to be generated. The transducer is a high quality, and robust design that is able to withstand extreme environmental conditions. It can be used in a variety of applications such as medical devices, automotive sensors, industrial controls, audio and more. The transducer is made of a piezoelectric ceramic material, which is sealed in an epoxy package, making it waterproof and resistant to vibration. The device is also capable of operating in temperatures ranging from -20°C to +85°C. It has an operating frequency range of 20-20000 Hz, and can generate a sound pressure level of 1-10mW/cm2.