This part is a kind of semiconductor called BD676A.
Function of this product has PNP DARLIGNTON POWER SILICON TRANSISTORS.
Manufacturers : CDIL
Image and pinout :

Some of the text within the PDF file :
Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company PNP DARLIGNTON POWER SILICON TRANSISTORS BD676, 676A BD678, 678A BD680, 680A BD682, 684 ECB TO126 Plastic Package For Use As Output Devices In Complementary General Purpose Amplifier Applications. COMPLEMENTARY TO BD675, 675A, 677, 677A, 679, 679A, 681 & 683 BD678, 678A, 680, 680A ARE EQUIVALENT TO MJE700, 702, 703. ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise) DESCRIPTION SYMBOL TEST CONDITION BD676 BD678 BD680 BD682 BD684 UNIT BD676A BD678A BD680A Collector -Base Voltage Collector -Emitter Voltage Emitter Base Voltage Collector Current Base Current Collector Power Dissipation @ Tc=25ºC Derate above 25ºC VCBO VCEO VEBO IC IB PD 45 60 80 100 120 V 45 60 80 100 120 V [ ... ]
BD676A PDF Datasheet Download
