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2N3055 MJ2955 Complementary power transistors Features Low collector-emitter saturation voltage Complementary NPN - PNP transistors Applications General purpose Audio Amplifier 1 2 Description TO-3 The devices are manufactured in epitaxial-base planar technology and are suitable for audio, power linear and switching applications. Figure 1. Internal schematic diagram Table 1. Device summary Order code Marking Package Packaging 2N3055 2N3055 TO-3 tray MJ2955 MJ2955 January 2008 Rev 7 1/7 . www.st.com 7 Absolute maximun rating 2N3055 MJ2955 1 Absolute maximun rating Table 2. Absolute maximum rating Symbol Parameter Value Unit NPN 2N3055 PNP MJ2955 VCBO Collector-emitter voltage (IE = 0) 100 V VCER Collector-emitter voltage (RBE = 100 ) 70 V VCEO Collector-emitter voltage (IB = 0) 60 V VEBO Collector-base voltage (IC = 0) 7V