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MJE3440 SILICON NPN TRANSISTOR SGS-THOMSON PREFERRED SALESTYPE NPN TRANSISTOR DESCRIPTION The MJE3440 is a NPN silicon epitaxial planar transistors in SOT-32 plastic package. It is designed for use in consumer and industrial line-operated applications. 1 2 3 SOT-32 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCBO 350 V Collector-Base Voltage (I = 0) E VCEO 250 V Collector-Emitter Voltage (I = 0) B V Emitter-Base Voltage (IC = 0) 5V EBO IC Collector Current 0.3 A I Base Current 0.15 A B P Total Power Dissipation at Tcase ? 25 oC 15 W tot o T -65 to +150 C stg Storage Temperature o Tj 150 C Max. Operating Junction Temperature 1/5 June 1997 MJE3440 THERMAL DATA o Rthj-case Thermal Resistance Junction-case Max 8.33