The Vishay SMBJ40D-M3/H TransZorb diode is a high-quality and reliable component that is ideal for use in a variety of electronics applications. This diode is designed to provide excellent protection against voltage spikes and surges, making it an excellent choice for use in power supplies, motor control circuits, and other applications where voltage protection is critical. With a reverse standoff voltage of 40V and a breakdown voltage of 45.1V, this diode is capable of handling high levels of voltage without failing. It also has a clamping voltage of 63.6V @ Ipp, making it an effective protector against voltage spikes. The SMBJ40D-M3/H diode has a power peak pulse of 600W and a current peak pulse of 9.43A. It comes in a DO-214AA SMB package and is available in other part numbers such as SMBJ40D-M3/H. and SMBJ40D-M3H. This diode has an ECCN of EAR99 and an HTSUS of 8541.10.0080.