This part is a kind of semiconductor called A1018.

Function of this product has 2SA1018.

Manufacturers : Panasonic Semiconductor

Image and pinout :

Some of the text within the PDF file :

Transistor 2SA1018 Silicon PNP epitaxial planer type For general amplification Complementary to 2SC1473 s Features q High collector to emitter voltage VCEO. s Absolute Maximum Ratings (Ta=25˚C) Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO ICP IC PC Tj Tstg Ratings –250 –200 –5 –100 –70 750 150 –55 ~ +150 Unit V V V mA mA mW ˚C ˚C 13.5±0.5 5.1±0.2 5.0±0.2 Unit: mm 4.0±0.2 +0.2 0.45 –0.1 1.27 +0.2 0.45 –0.1 1.27 2.3±0.2 123 2.54±0.15 1:Emitter 2:Collector 3:Base JEDEC:TO–92 EIAJ:SC–43A s Electrical Characteristics (Ta=25˚C) Parameter Symbol Conditions min typ max Unit [ ... ]

A1018 PDF Datasheet Download