This part is a kind of semiconductor called C4115.
Function of this product has 2SC4115.
Manufacturers : Jiangsu
Image and pinout :

Some of the text within the PDF file :
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-89 Plastic-Encapsulate Transistors 2SC4115 TRANSISTOR (NPN) SOT-89 1. BASE FEATURES z Low VCE(sat).VCE(sat) = 0.2V (Typ.)(IC / IB = 2A / 0.1A) z Excellent current gain characteristics. z Complements to 2SA1585 MAXIMUM RATINGS (TA=25℃ unless otherwise noted) Symbol VCBO VCEO VEBO IC PC TJ Tstg Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current -Continuous Collector Power Dissipation Junction Temperature Storage Temperature Value 40 20 6 3 500 150 -55-150 Units V V V A mW ℃ ℃ 1 2 3 2. COLLECTOR 3. EMITTER ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter- [ ... ]
C4115 PDF Datasheet Download
