This part is a kind of semiconductor called BD136.

Function of this product has Plastic Medium Power Silicon PNP Transistor.

Manufacturers : ON Semiconductor

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Some of the text within the PDF file :

BD136, BD138, BD140 Plastic Medium Power Silicon PNP Transistor This series of plastic, medium−power silicon PNP transistors are designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. Features • Pb−Free Packages are Available* • DC Current Gain − hFE = 40 (Min) @ IC = 0.15 Adc • BD 136, 138, 140 are complementary with BD 135, 137, 139 http://onsemi.com 1.5 A POWER TRANSISTORS PNP SILICON 45, 60, 80 V, 12.5 W MAXIMUM RATINGS Rating Symbol Value Unit Collector−Emitter Voltage BD136 BD138 BD140 VCEO 45 60 80 Vdc Collector−Base Voltage BD136 BD138 BD140 VCBO 45 60 100 Vdc Emitter−Base Voltage Collector Current Base Current Total Device Dissipation @ TA = 25°C Derate above 25°C VEBO IC IB PD 5.0 Vdc 1.5 Adc [ ... ]

BD136 PDF Datasheet Download