P4KE16A-E3/54TVS 400W 16V 5% UNIDIR AXIAL|VISHAY SEMICONDUCTOR DIODES DIVISION|Lead free|RoHS Compliant P4KE16A P4KE16A-E3/73TVS 400W 16V 5% UNIDIR AXIAL|VISHAY SEMICONDUCTOR DIODES DIVISION|Lead free|RoHS Compliant P4KE16A-B