This part is a kind of semiconductor called BF240.
Function of this product has NPN SILICON PLANAR EPITAXIAL RF 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 NPN SILICON PLANAR EPITAXIAL RF TRANSISTORS BF240 BF241 TO-92 Plastic Package E BC A.M.Mixer, IF Amplifiers in AM/ FM Receiver Applications ABSOLUTE MAXIMUM RATINGS(Ta=25ºC unless otherwise specified) DESCRIPTION Collector Emitter Voltage Collector Base Voltage Emitter Base Voltage Collector Current Continuous Power Dissipation@ Ta=25ºC Dereate Above 25 deg C Power Dissipation@ Tc=25ºC Dereate Above 25ºC Operating and Storage Junction Temperature Range SYMBOL VCEO VCBO VEBO IC PD PD Tj, Tstg Value 40 40 4 25 350 2.8 1 8.0 -55 to +150 UNITS V V V mA mW mW/ ºC W mW/ ºC ºC ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Otherwise Specified) DESCRIPTION Collector Emitter Voltage Collector Base V [ ... ]
BF240 PDF Datasheet Download
