Previous Product Next Product Diode 1N4739A – 9.1v Zener (3-Pack) for NostalgiTone D.S.O.T.M. $0.79 DIODE 1N4739A 9.1v Zener (3) Pack In stock Diode 1N4739A - 9.1v Zener (3-Pack) for NostalgiTone D.S.O.T.M. quantity Add to cart Description Description DIODE 1N4739A 9.1v Zener (3) Pack Exactly what is needed for your NostalgiTone DSOTM project.