# Omron B3U-1000P

The Omron B3U-1000P is an ultra-compact SPST tactile switch measuring just 3 x 2.5mm. This surface-mount pushbutton provides reliable momentary contact with a crisp tactile feel and 100gf actuation force. Standard on microcontroller development boards for reset and boot-mode selection buttons. Also used for volume controls, menu navigation, and user input on wearables and compact IoT devices. The low-profile design (1.2mm height) fits under display assemblies and in tight enclosures. Rated for 200,000 cycles.