P4KE20A-E3/54TVS 400W 20V 5% UNIDIR AXIAL|VISHAY SEMICONDUCTOR DIODES DIVISION|Lead free|RoHS Compliant P4KE20A P4KE20A-E3/73TVS 400W 20V 5% UNIDIR AXIAL|VISHAY SEMICONDUCTOR DIODES DIVISION|Lead free|RoHS Compliant P4KE20A