The SMBJ33A with TVS SMB RoHS is an electronic part manufactured by Shikues. It is a bidirectional silicon transient voltage suppressor diode (TVS) that is designed to protect sensitive components from overvoltage damage. It is available with a reverse standoff voltage rating between 5 volts and 170 volts, and a peak pulse power rating of 600 Watts. The SMBJ33A device complies with the Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU, and is an excellent solution for protecting circuit boards from overvoltage damage.