Tactile Push Button Switch 12x12mm (4-Pin, THT)

The Tactile Push Button Switch 12x12mm is a momentary, normally-open switch widely used on breadboards and PCBs for reset buttons, user inputs, and general-purpose control in Arduino and STM32 projects. Its square 12mm footprint and 4-pin through-hole legs make it a drop-in choice for countless prototyping boards.

Key features:

• Momentary Action: Normally-open contact that closes only while pressed, then springs back automatically.
• 4-Pin THT Mounting: Diagonal pin pairs solder directly into standard breadboards and prototyping PCBs.
• Compact Footprint: 12mm x 12mm square body keeps board layouts tidy.
• Rated Voltage: 12V DC.
• Rated Current: 50mA.
• Actuation Force: Light press of about 160gf for comfortable, repeated use.

It’s a reliable, low-cost building block for reset circuits, mode-select buttons, and general digital inputs across almost any hobbyist project.