This part is a kind of semiconductor called 2SC1740S.

Function of this product has NPN Plastic-Encapsulated Transistor.

Manufacturers : SeCoS

Image and pinout :

Some of the text within the PDF file :

Elektronische Bauelemente 2SC1740S 0.15A , 60V NPN Plastic-Encapsulated Transistor FEATURES Low Cob RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free CLASSIFICATION OF hFE Product-Rank 2SC1740S-Q 2SC1740S-R 2SC1740S-S Range 120~270 180~390 270~560 TO-92S REF. A B C D E F G H J K L Millimeter Min. Max. 3.90 4.10 3.05 3.25 1.42 1.62 15.1 15.5 2.97 3.27 0.66 0.86 2.44 2.64 1.27 REF. 0.36 0.48 0.36 0.51 45° Collector 2 3 Base 1 Emitter ABSOLUTE MAXIMUM RATINGS (TA=25°C unless otherwise specified) Parameter Symbol Rating Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current - Continuous Collector Power Dissipation Junction, Storage Temperature VCBO VCEO VEBO IC PC TJ, TSTG 60 50 7 150 300 150, -55~150 Uni [ ... ]

2SC1740S PDF Datasheet Download