View bd135 bd139 datasheet:

BD135 BD139 ® NPN SILICON TRANSISTORS Type Marking BD135 BD135 BD135-10 BD135-10 BD135-16 BD135-16 BD139 BD139 BD139-10 BD139-10 BD139-16 BD139-16 1 2 STMicroelectronics PREFERRED 3 SALESTYPES SOT-32 DESCRIPTION The BD135 and BD139 are silicon Epitaxial Planar NPN transistors mounted in Jedec SOT-32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The complementary PNP types are BD136 and INTERNAL SCHEMATIC DIAGRAM BD140 respectively. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit BD135 BD139 VCBO Collector-Base Voltage (IE = 0) 45 80 V VCEO Collector-Emitter Voltage (IB = 0) 45 80 V VEBO Emitter-Base Voltage (IC = 0) 5 V I Collector Current 1.5 A C ICM Collector Peak Current 3 A I