This part is a kind of semiconductor called C3198.

Function of this product has NPN Epitaxial Silicon Transistor.

Manufacturers : Elite

Image and pinout :

Some of the text within the PDF file :

C3198 NPN Epitaxial Silicon Transistor Features Collector-Emitter Voltage: VCEO=50V Collector Dissipation: PC(max)=625mW TO-92 Absolute Maximum Ratings (TA=25oC) Characteristic Symbol Rating Unit Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Dissipation Junction Temperature Storage Temperature VCBO VCEO VEBO IC PC TJ TSTG 60 50 5 150 625 150 -55~+150 V V V mA mW oC oC 1. Emitter 2. Collector 3. Base Electrical Characteristics (TA=25oC) Characteristic Symbol Test Conditions Collector-Base Breakdown Voltage BVCBO IC= 100µA, IE=0 Collector-Emitter Breakdown Voltage BVCEO IC= 1mA, IB=0 Emitter-Base Breakdown Voltage BVEBO IE= 100µA, IC=0 Collector Cut-off Current ICBO VCB= 60V, IE=0 Emitter Cut-off Current IEBO VEB= [ ... ]

C3198 PDF Datasheet Download