This part is a kind of semiconductor called A1015.

Function of this product has Silicon PNP Epitaxial Type Transistor.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SA1015(L) TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT process) 2SA1015(L) Audio Frequency Amplifier Applications Low Noise Amplifier Applications • High voltage and high current: VCEO = −50 V (min), IC = −150 mA (max) • Excellent hFE linearity: hFE (2) = 80 (typ.) at VCE = −6 V, IC = −150 mA : hFE (IC = −0.1 mA)/hFE (IC = −2 mA) = 0.95 (typ.) • Low noise: NF = 0.2dB (typ.) (f = 1 kHz) • Complementary to 2SC1815 (L) Unit: mm Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage VCBO −50 V Collector-emitter voltage VCEO −50 V Emitter-base voltage VEBO −5 V Collector current IC −150 mA Base current IB −50 mA Collector power dissipation PC 400 mW Junction temperature Storage temperature range [ ... ]

A1015 PDF Datasheet Download