A101SYAV2B04 is a toggle switch from the A Series designed for general switching applications. It features a single pole double throw (SPDT) configuration with vertical right angle termination suitable for through-hole mounting on printed circuit boards. The switch is rated for 0.4 A current capacity and incorporates gold-plated contacts with an epoxy terminal seal for reliable electrical connection and environmental protection. This switch is commonly used in consumer electronics, industrial control panels, and instrumentation where compact, reliable switching functionality is required.