2SA1015 / A1015 PNP Transistor — TO-92, 50V 150mA, Audio Preamp, Low Noise (50-Pack)

2SA1015 / A1015 PNP Transistor — TO-92, 50V 150mA, Audio Preamp (50-Pack)

The 2SA1015 (A1015) is a classic PNP small-signal transistor in TO-92 package — the PNP complement to the 2SC1815 NPN transistor. Together they form the most popular complementary pair in Japanese audio electronics, used in preamplifier stages, signal amplifiers, and push-pull output stages. Low noise characteristics make the 2SA1015 particularly suitable for audio preamplifier applications. Pack of 50 for prototyping stock or production builds.

Electrical Specifications

• Part Number: 2SA1015 / A1015
• Type: PNP small-signal transistor
• Package: TO-92 (through-hole)
• V₂₁ₑₒ (max): 50V
• I₂ (max): 150mA
• P₂ (max): 400mW
• hₑₑ (DC gain): 70–700 (GR grade: 200–700)
• fᵀ (transition frequency): 80MHz
• Noise Figure: Low (suitable for audio preamp)
• Complement: 2SC1815 (NPN)
• Pack Quantity: 50 transistors

2SA1015 vs BC327 vs 2N3906

• 2SA1015 (this transistor): 50V, 150mA, low noise, 80MHz — for audio preamp and signal amplification
• BC327: 45V, 800mA, general purpose — for higher current switching
• 2N3906: 40V, 200mA, general purpose — for general switching and amplification

Typical Applications

• Audio preamplifier input stage
• Complementary push-pull amplifier (with 2SC1815)
• Signal level shifting and inversion
• Low-current switching circuit
• Sensor signal amplification

2SA1015/A1015 PNP transistor, 50-pack — TO-92, 50V 150mA, low noise, complement to 2SC1815 for audio preamplifier and signal amplifier circuits.

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