The TS-1066B-B3D2 with Tactile Switches SMD,4x3x1.5mm RoHS manufactured by Yuandi is an electronic part that features four tact switches, each measuring 4mm x 3mm x 1.5mm in size and designed for surface mount (SMD) applications. This part conforms to the latest European Union (EU) RoHS directives, meaning it does not contain hazardous substances such as lead, cadmium, mercury, hexavalent chromium, and a few other substances that are deemed hazardous to human health and the environment. The product is sealed with epoxy that provides a high level of protection against dust, water, humidity, and vibration. It also has a wide range of operating temperatures, from -20°C to +85°C. The tactile switches have a long service life guaranteed up to 1 million operations. The TS-1066B-B3D2 is well suited for various applications in the automotive, industrial, medical, and consumer electronics markets.