echThe SM8S33CA with 53.3V 36.7V 33V DO-218AB is a Transient Voltage Suppressor (TVS) diode manufactured by Yintech. The TVS is RoHS compliant and provides protection from high voltage transients, spikes, and electrical overstress (EOS) in circuits. The SM8S33CA features an ultra low-voltage breakdown level of 53.3V, and has 2 levels of threshold voltage, 36.7V and 33V. It is suitable for automotive, consumer, and industrial applications.