The SSMD26-501N is a surface mount device (SMD) with a 2.6x5mm glass discharge tube, manufactured by SURGING. It is RoHS compliant, meaning it does not contain hazardous materials. It is used in applications where it is important for devices to be lightweight, durable and resistant to shock and vibration. Typical uses include in mobile electronic devices, like phones and tablets, where low profile components are necessary. It can also be used in industrial and military applications.