RoHS: yes. Quantity per case: 1. Dielectric structure: bidirectional. Function: Bidirectional ESD protection. Note: transil diode. Marking on the case: 33CA. Number of terminals: 2. Breakdown voltage: 33V. Pd (Power Dissipation, Max): 5W (Pppm 600W). Assembly/installation: surface-mounted component (SMD). Housing: DO-214. Housing (according to data sheet): SMB DO214AA ( 4.7x3.7x2.1 )