The SMC5366B, manufactured by DC Components, is a 5W, 39V, Single Diode, Zener, SMD (Surface Mount Device) Diode, Reel/Tape. It is characterized by a low leakage of 0.5uA and is suitable for a variety of applications like rectification, protection and voltage regulation. It also provides reverse voltage and surge current capability for reliable operation in adverse environmental conditions. The SMC5366B is a standard size SMD package with a lead-free termination and industrial grade construction to withstand up to 250V.