2SC1815, NPN General-Purpose Transistor, TO-92

The 2SC1815 is a general-purpose NPN bipolar junction transistor developed by Toshiba, widely used in audio-frequency amplifier stages, signal processing, and low-power switching applications. Known for its low noise performance and stable characteristics, it remains a standard choice in both professional and hobbyist electronics.

Key Features:

• Low Noise: Designed for audio and signal processing applications with minimal distortion.
• High Voltage Tolerance: Collector-emitter voltage rating up to 50 V.
• Moderate Current Handling: Capable of handling 150 mA collector current.
• High Gain: DC current gain (h_FE) typically ranges from 70 to 700 depending on grade (A–D).
• Compact TO-92 Package: Ideal for general-purpose through-hole designs.
• Fast Switching Speed: Transition frequency (f_T) up to 80 MHz.

Additional Specifications:

• Type: NPN
• Max Voltage: 50V
• Max Current: 150Ma