C&K KMS221GLFS is a N.O. SPST SMD momentary switch with contacts rated 50mA 32VDC. This push button actuated SMD switch mounts at right angle on PC board. Size 4.5mm x 2.8mm x 1.42mm thick (excluding activator button). Has lead free silver contacts and mounting leads. Actuation force is 200 grams. Typical applications, cell phones, medial monitors, consumer electronics, and telecom networks. Brand new, sold in a package of 25 on tape and reel. Retails for over $7 for 25.