The 30KPA54A is an industrial grade transient voltage suppressor (TVS) diode made by Yageo. It has an operational voltage rating of 91.4V, a maximum peak pulse energy of 60.3V, and a breakdown voltage of 54V. This component is designed to protect downstream circuits from unwanted voltage spikes. It has a helpful P600 rated package size to help with current capacity. It is compliant with the RoHS requirements for hazardous materials, making it a safe and efficient option for use in a variety of electronic applications.