onsemi 39V 0.5W Voltage Regulator IC 1SMA5939BT3

39V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, PLASTIC, CASE 403D-02, SMA, 2 PIN Product overview: 1SMA5939BT3 from onsemi is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 39V, 0.5W. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 39V, 0.5W, Voltage Regulator IC, Single Zener Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 287-1SMA5939BT3 can be used for catalog matching and distributor lookup.