The MMSZ8V2BW is a Zener Diode manufactured by Tak Cheong in a SOD-123 (Small Outline Diode) package. This diode is RoHS compliant, meaning it should not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE). The device has a breakdown voltage of 8V and is rated as having a power dissipation capacity of 500mW. It is ideally used for clamping, voltage regulation, and voltage marking applications.