The HQ2401SNL with New Quadratic Unclassified Data SMD RoHS is an electronic part manufactured by GLE. It has a size of 18.3*16.2*6.5 millimeters and complies with the RoHS (Restriction of Hazardous Substances) Directive issued by the European Union to control the use of hazardous materials in electrical and electronic products. The part features SMD (surface mount device) technology for easy soldering on thin, densely packed circuit boards. It utilizes New Quadratic Unclassified Data (NQUD) technology to help reduce the size and cost of electrical components.