® 2N4033 SMALL SIGNAL PNP TRANSISTOR DESCRIPTION The 2N4033 is a silicon Planar Epitaxial PNP transistor in Jedec TO-39 metal case primary intended for large signal, low noise industrial applications. TO-39INTERNAL SCHEMATIC DIAGRAMABSOLUTE MAXIMUM RATINGSSymbolParameterValueUnit Obsolete Product(s) - Obsolete Product(s) VCBO Collector-Base Voltage (IE = 0) -80 V VCEO Collector-Emitter Voltage (IB = 0) -80 V VEBO Emitter-Base Voltage (IC = 0) -5 V IC Collector Current -1 A Ptot Total Dissipation at Tamb ≤ 45 oC 0.8 W at TC ≤ 45 oC 4 W Tstg Storage Temperature -55 to 175 oC Tj Max. Operating Junction Temperature 175 oC September 2002 1/6