The APEM Inc. part ADTSM66SV is a tactile switch designed with a round button and gull wing terminals, providing a reliable solution for various applications. This switch is normally open (N.O.) and single pole, single throw (SPST), making it ideal for momentary input actions. With a low current rating of 0.05A and a voltage rating of 12VDC, it operates efficiently in low-power circuits. The ADTSM66SV offers a tactile feedback with a force of 3.14 Newtons (N), ensuring a solid and responsive button press. As a surface mount device (SMD), it can be easily integrated into PCB designs. This switch is available in bulk packaging, making it a cost-effective choice for high-volume production.