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BFX34 SILICON NPN TRANSISTOR nSTMicroelectronics PREFERRED SALESTYPE nNPN TRANSISTOR DESCRIPTION The BFX34 is a silicon Epitaxial Planar NPN transistor in Jedec TO-39 metal case, intented for high current applications. Very low saturation voltage and high speed at high current levels make it ideal for power drivers, power amplifiers, switching power supplies and relay drivers inverters. INTERNAL SCHEMATIC DIAGRAM August 2001 TO-39 ABSOLUTE MAXIMUM RATINGS SymbolParameterValueUnit V CBO Collector-Base Voltage (I E = 0)120V V CEO Collector-Emitter Voltage (I B = 0)60V V EBO Emitter-Base Voltage (I C = 0)6V I C Collector Current5A P tot Total Dissipation at T case ≤ 25 o C T amb ≤ 25 o C 5 0.87 W W T stg Storage Temperature-65 to 200 o C T j Max. Operating Junction Temperature200 o C ® 1/4 Obsolete Product(s) - Obsolete Product(s)