The A1015 (also written as 2SA1015) is a PNP bipolar junction transistor (BJT) commonly used in low-power electronic circuits.
 
Key Specifications
Type: PNP Transistor
Collector-Emitter Voltage (Vce): −50V
Collector Current (Ic): −150 mA
Power Dissipation: ~400 mW
Gain (hFE): 70 – 400 (varies by grade)
Package: TO-92
 
Pin Configuration (TO-92 package)
When the flat side is facing you and legs pointing down:
Emitter (E)
Collector (C)
Base (B)
Order: E – C – B
 
Common Uses
Audio amplification (low-noise stages)
Signal switching
Pre-amplifier circuits
General-purpose analog circuits
 
Complementary Pair
Often paired with C1815 (2SC1815) → NPN transistor