Zener voltage: 20V. Quantity per case: 1. Dielectric structure: Anode-Cathode. Semiconductor material: silicon. Equivalents: 1N968BRL, 1N5250B, BZX79C20, ZPD20. Number of terminals: 2. Pd (Power Dissipation, Max): 0.5W. RoHS: yes. Assembly/installation: PCB through-hole mounting. Housing: DO-35 ( SOD27 ). Housing (according to data sheet): DO-35. Tolerance: 5%