The TS-1045-A8B3-D2 is a tactile switch SMD manufactured by Yuandi, which is a 6*6*7.5mm device compliant with RoHS regulations on hazardous materials. This switch is designed for contactless applications, and is capable of providing a signal when pressure is applied to the surface of the switch. The switch is rated for a power rating of 50mW and a contact resistance of 100mOhm. It features a life expectancy of 500,000 cycles, a contact bounce time of less than 5ms, and is rated for operating temperatures from -10°C to +50°C. It is a versatile switch suitable for a range of applications, such as mobile device user interfaces, automotive electronics, and home automation.