The SMAJ75A-13 is a unidirectional TVS diode from Diodes Incorporated, rated for 400 W peak pulse power at the 10/1000 µs waveform.
The SMAJ75A-13 comes in the DO-214AC (SMA) package, surface-mount. The pad footprint is standard for SMA diodes — the cathode band on the body matches the package marking. The base product number is SMAJ75, and the -13 suffix denotes the reel quantity — check the reel count at quote time to match your batch size.
Sourcing posture and compliance
It is suited for DC rail protection in equipment that sees transients per IEC 61000-4-5, but the specific waveform compliance should be verified against your surge requirement.