The MSKSEMI SMF30A is a unidirectional transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage transients induced by lightning and other transient voltage events. It is manufactured in a SOD-123FL (SMD) package, is RoHS-compliant, and has a maximum continuous current of 4.1A. The SMF30A has continuous standoff voltage ratings of 48.4V, 33.3V, 30V, and 36.8V, and a maximum clamping voltage of 1uA.