Available. See Replacement. Consult Marketing. ON5131 VD MOS 934055048215 T C 2 30-9-00 31-12-00 Ph:BSS84 Limited manufacturing capability. Replacement is standard part. ON5139/1 LIGHTING TRANSISTOR 934055138118 T C 2 31-3-01 30-6-01 Ph:BU1706AB Standard Product Available. See Replacement. Consult Marketing