Dielectric structure: unidirectional. Semiconductor material: silicon. Function: transil diode, overvoltage protection. Number of terminals: 2. Breakdown voltage: 5V. Pd (Power Dissipation, Max): 1.5 kW. RoHS: yes. Assembly/installation: PCB through-hole mounting. Housing: DO-201. Housing (according to data sheet): DO-201 (5.5x9.5mm)