The 2SC1815L is a low noise amplifier NPN epitaxial silicon transistor produced by Toshiba Semiconductor and Storage. It is designed for use in a wide variety of low-noise amplifier applications and general-purpose switching circuits.

Applications:

• Audio amplifiers
• Low-noise amplifier circuits
• General-purpose switching
• Oscillator circuits
• Mixer circuits

Features:

• Low noise figure
• High gain
• High fT (transition frequency)
• Small collector output capacitance
• Excellent linearity

Benefits:

• Improved signal-to-noise ratio in audio and RF circuits
• Increased amplification in signal processing applications
• Efficient switching performance
• Stable oscillation and mixing capabilities
• Reduced distortion in amplifier circuits

Technical Specifications:

• Polarity: NPN
• Collector-Emitter Voltage (VCEO): 50V
• Collector-Base Voltage (VCBO): 60V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 150mA
• Collector Dissipation (PC): 400mW
• Transition Frequency (fT): 80 MHz
• Noise Figure (NF): Typically 1 dB at 1 kHz

The 2SC1815L is commonly found in audio equipment, communication devices, and instrumentation where low-noise amplification is essential for optimal performance. Its robust characteristics make it a reliable choice for both new designs and legacy system maintenance.