The YTSA008A0182501B is a tactile switch manufactured by DGBZ. It is a round black button brick nogging switch with no SMD splicing. It is rated at 50mA, 3.5mm, 100MO, 50000, 12V, 250gf, 3mm, 1.8mm, and ROHS compliant. Its SMD design allows for easy installation without having to do any soldering. It is perfect for use in a variety of embedded and digital equipment applications, including automotive, medical, or IoT devices.