The C&K COMPONENTS part Y78B43224FP is a tactile switch designed for automotive applications. It features a round button with a gull wing configuration, allowing for easy surface-mounting onto PCBs. This switch has a normally open (N.O.) single-pole, single-throw (SPST) configuration, making it ideal for momentary contact applications. With a current rating of 0.05A and a voltage rating of 32VDC, it can handle a maximum power of 1VA. The Y78B43224FP switch is built to withstand heavy usage, with a lifespan of up to 300,000 cycles. It has a contact force of 3N and is supplied in tape and reel packaging for efficient assembly.