This part is a kind of semiconductor called BD169.
Function of this product has Plastic Medium Power Silicon NPN Transistor.
Manufacturers : Motorola Inc
Image and pinout :

Some of the text within the PDF file :
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by BD165/D Plastic Medium Power Silicon NPN 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 165, 169 are complementary with BD 166, 168, 170 MAXIMUM RATINGS BD165 BD169 1.5 AMPERE POWER TRANSISTORS NPN SILICON 45, 60, 80 VOLTS 20 WATTS ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎÎ ÎÎÎ [ ... ]
BD169 PDF Datasheet Download
