The DEALON TD-1185SN-2.0H-250 switch is a RoHS compliant SMD tactile switch with a NO (normally opened) contact. It has a round button brick design with 2mm black nogging, a 2.9mm SMD splicing, and a 3.95mm SPST switch. The switch has a rated voltage of 12 volts, a rated current of 50mA, and a contact resistance of 250gf@±50gf. This switch also features a fast response time, high reliability, and is self-locking. It is suitable for a range of electronic products and applications.