The 1TS028B-2000-0453-CT tactile switch with SPST is a Surface Mount Device (SMD) manufactured by HYP. It measures 2.80mm x 1.90mm x 0.45mm and is RoHS compliant. It is rated for 50mA at 12VDC. The contact is a single pole, single throw (SPST) switch, and it is used in many consumer electronics applications such as cell phones, remote controls, and peripherals. It is also suitable for a variety of other electronics applications such as computers, gaming consoles, and consumer electronics products. This switch is ideal for applications where a low profile design, low profile space, and/or small board space requirement is needed.