NTE5139A Zener Diode - 27.0V 5W 5% Axial Leaded Full spec sheet:https://www.nteinc.com/specs/5100to5199/pdf/nte5111a.pdfNTE5139A Zener Diode - 27.0V 5W 5% Axial LeadedSKU: NTE5139A$1.30PriceOut of Stock