Vishay Zener DiodeThe Vishay SOD-57 Zener diode has a voltage rating of 33VDC and power rating of 1.3W at 6% voltage tolerance. The Zener current rating of the diode is 1μA and reverse current rating is 1μA.Features and Benefits• Clamping time in picoseconds• Glass passivated junction• Halogen free• Hermetically sealed package• Lead (Pb) free component• Operating junction temperature ranges between -65°C and 175°CApplications• Medium power transient suppression circuits• Medium power voltage regulatorsCertifications• e2