This part is a kind of semiconductor called BD140.
Function of this product has Plastic Medium Power Silicon PNP Transistor.
Manufacturers : Motorola Inc
Image and pinout :

Some of the text within the PDF file :
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by BD136/D Plastic Medium Power Silicon PNP Transistor . . . designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. • DC Current Gain hFE = 40 (Min) @ IC = 0.15 Adc • BD 136, 138, 140 are complementary with BD 135, 137, 139 BD136 BD138 BD140 BD140-10 1.5 AMPERE POWER TRANSISTORS PNP SILICON 45, 60, 80 VOLTS 10 WATTS ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎÎÎ ÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎÎÎ [ ... ]
BD140 PDF Datasheet Download
