This part is a kind of semiconductor called A1941.

Function of this product has POWER 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 POWER TRANSISTORS A1941 C5198 (9TW) (9TW) PNP NPN TO- 3PN Non Isolated Plastic Package Power Amplifier Applications. ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise ) VALUE DESCRIPTION SYMBOL VCBO 160 Collector Base Voltage V 160 Collector Emitter Voltage CEO VEBO 5.0 Emitter Base Voltage Collector Current Base Current Total Power Dissipation up to Tc=25ºC Junction Temperature Storage Temperature IC IB Ptot Tj Tstg 10 1 100 150 - 55 to +150 UNIT V V V A A W ºC ºC ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise) TEST CONDITION DESCRIPTION SYMBOL ICBO VCB=160V, IE=0 Collector Cut Off Current IEBO VEB =5V, IC =0 Emitter Cut Off Current Collector Emitter Voltage Co [ ... ]

A1941 PDF Datasheet Download