1SMA28AT3TVS 400W 28V UNIDIRECT SMA|ON SEMICONDUCTOR|Lead All|RoHS Mixed 1SMA28AT3G 1SMA28AT3GTVS 400W 28V UNIDIRECT SMA|ON SEMICONDUCTOR|Lead free|RoHS Compliant SMAJ28A SMAJ28A-TP 1SMA28AT3GTVS 400W 28V UNIDIRECT SMA|ON SEMICONDUCTOR|Lead free|RoHS Compliant SMAJ28A SMAJ28A-TP