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BC107 BC108-BC109 LOW NOISE GENERAL PURPOSE AUDIO AMPLIFIERS DESCRIPTION The BC107, BC108 and BC109 are silicon planar epitaxial NPN transistors in TO-18 metal case.They are suitable for use in driver stages, low noise input stages and signal processing circuits of television receivers. The complementary PNP types are re- spectively the BC177, BC178 and BC179. TO-18 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Value Symbol Parameter Unit BC107 BC108 BC109 V CBO Collector-base Voltage (I E = 0) 50 30 30 V V CEO Collector-emitter Voltage (I B = 0) 45 20 20 V V EBO Emitter-base Voltage (I C = 0) 6 5 5 V IC Collector Current 100 mA Pt o t Total Power Dissipation at T amb 25