The SMAJ90CA: The 400W rating is the energy it can absorb without failing short — on a 90V rail, that's enough headroom for most industrial transients from inductive kickback or coupled noise.
Clamping voltage and breakdown — the numbers that protect your rail
Breakdown voltage starts at 100V min.
Lifecycle status is Active.
Package and temperature range — board-level fit
DO-214AC (SMA) package, surface-mount, supplied on Tape & Reel or Cut Tape.