This part is a kind of semiconductor called A1515.

Function of this product has 2SA1515.

Manufacturers : SeCoS

Image and pinout :

Some of the text within the PDF file :

Elektronische Bauelemente 2SA1515 -1 A, -40 V PNP Plastic Encapsulated Transistor RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free FEATURES  Low Collector-Emitter Saturation Voltage  Low Transition Frequency CLASSIFICATION OF hFE Product-Rank 2SA1515-P 2SA1515-Q 2SA1515-R Range 82~180 120~270 180~390 GH J AD B K E CF TO-92 Emitter Collector Base REF. A B C D E F G H J K Millimeter Min. Max. 4.40 4.70 4.30 4.70 12.70 - 3.30 3.81 0.36 0.56 0.36 0.51 1.27 TYP. 1.10 - 2.42 2.66 0.36 0.76  Base 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 T [ ... ]

A1515 PDF Datasheet Download