This part is a kind of semiconductor called A1515S.

Function of this product has Medium Power Transistor.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

Transistors Medium Power Transistor (*32V, *1A) 2SB1132 / 2SA1515S / 2SB1237 FFeatures 1) Low VCE(sat). VCE(sat) = *0.2V (Typ.) (IC / IB = –500mA / –50mA) 2) Compliments 2SD1664 / 2SD1858. FStructure Epitaxial planar type PNP silicon transistor FExternal dimensions (Units: mm) (96-120-B12) 207 Transistors FAbsolute maximum ratings (Ta = 25_C) 2SB1132 / 2SA1515S / 2SB1237 FElectrical characteristics (Ta = 25_C) FPackaging specifications and hFE hFE values are classified as follows : 208 Transistors FElectrical characteristic curves 2SB1132 / 2SA1515S / 2SB1237 209 Transistors 2SB1132 / 2SA1515S / 2SB1237 210 [ ... ]

A1515S PDF Datasheet Download