This part is a kind of semiconductor called 2N2222.
Function of this product has NPN SILICON PLANAR SWITCHING 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 SWITCHING TRANSISTORS 2N2221 2N2222 TO-18 Metal Can Package Switching and Linear Application DC and VHF Amplifier Applications ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise) DESCRIPTION SYMBOL 2N2221, 22 VCEO Collector Emitter Voltage 30 VCBO Collector Base Voltage 60 Emitter Base Voltage Collector Current Continuous Power Dissipation @Ta=25ºC Derate Above 25ºC Power Dissipation @ Tc=25ºC Derate Above 25ºC Operating and Storage Junction Temperature Range VEBO IC PD PD Tj, Tstg 5 800 500 2.28 1.2 6.85 -65 to +200 UNIT V V V mA mW mW/ºC W mW/ºC ºC ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise ) DESCRIPTION SYMBOL TEST CONDITION Collector E [ ... ]