I’ll research the SM8S33A manufacturer data, verify its connections and alternatives, and save the application guide in the project files with citations.
The manufacturer data differs from the project description, so I’m using the sourced ratings and flagging the unverified automotive qualification and physical pin mapping. I’m now saving the guide, with alternatives clearly separated from guaranteed drop-in replacements.
The Littelfuse SM8S33A is a unidirectional, 33 V reverse-standoff transient voltage suppressor (TVS) diode in an SMTO-263 surface-mount package, rated for 7,000 W peak pulse power with a 10/1000 µs waveform. Its standard use is a reverse-biased shunt across a DC power input to divert positive surges caused by inductive switching or lightning; nominal 24 V rails are a practical candidate only after checking maximum normal voltage and downstream surge withstand.
Created the SM8S33A Application and Usage Guide in project files, covering all seven requested sections with citations and source links. It flags discrepancies in the project description and leaves automotive qualification and physical pad mapping explicitly unverified; the next checks are manufacturer qualification confirmation and a footprint/polarity audit.