P6SMB12AT3GTVS ZENER UNIDIR 600W 12V SMB|ON SEMICONDUCTOR|Lead free|RoHS Compliant P6SMB12A SM6T12A-E3/52 SM6T12AHE3/5B P6SMB12A-E3/52 P6SMB12AHE3/52 P6SMB12AT3GTVS ZENER UNIDIR 600W 12V SMB|ON SEMICONDUCTOR|Lead free|RoHS Compliant P6SMB12A SM6T12A-E3/52 SM6T12AHE3/5B P6SMB12A-E3/52 P6SMB12AHE3/52