The E101SYZQE is a sealed miniature toggle switch featuring single-pole double-throw (SPDT) configuration with on-none-on switching function. It is sealed against solder and cleaning process contaminants with a UL 94V-0 nylon case and bushing, and includes an epoxy terminal seal for enhanced protection. The switch offers contact ratings of 7.5 amps at 125 V AC or 28 V DC, with contact resistance below 10 mO typical and insulation resistance of 10? O minimum, ensuring reliable electrical performance. It features a dielectric strength of 1000 Vrms minimum and an electrical life of 40,000 make-and-break cycles at full load. The switch is RoHS compliant and designed for use in telecommunications, instrumentation, and medical equipment applications where sealed, miniature switching solutions are required.