The TC-1150DR-6.0H-250 with NO 4.5mm PCPin 6mm Black Round Button Straight SPST 4.5mm 250gf@±50gf Plugin Tactile Switches ROHS manufactured by DEALON is a type of electro-mechanical switch. It features a 6mm black round button and 4.5mm PC Pin and has plug-in style. It has a contact force of 250gf@±50gf. It's a single-pole single-throw (SPST) switch, with one common contact and one normally open contact. It is a tactile switch, meaning it creates a tactile sensation when it is activated. It is specially designed to be RoHS compliant.This product is typically used in electronics equipment, tablets, phones, appliances, and other electronic products to serve as a control for user input or switching signal control. It is also suitable for application-specific needs such as consumer and industrial electronic products, computer peripherals, automation equipment, medical equipment, communication devices, automotive electronics, and other industry applications.