DC Components' SMB2EZ140 is an SMB (Surface Mounted Device) 2W, 140V Zener diode with a single diode and a current rating of 0.5 microamperes. It comes in a reel or tape package and is suitable for applications involving transient voltage suppression, DC power line protection, voltage regulation, and switching power supplies. It also has high temperature stability, low reverse current leakage, good surge handling capability, and excellent thermal performance. It can be used in a wide range of applications, including automotive, consumer, communication, and industrial.