The 2SC3761 is a silicon NPN epitaxial planar transistor manufactured by NEC. It is designed for low noise amplifier applications in VHF and UHF bands.

Applications:

• Low-Noise Amplifiers (LNAs): Used in VHF and UHF receiver front-ends to amplify weak signals with minimal added noise.
• TV Tuners: Employed in TV tuners to boost the received signal strength.
• Radio Receivers: Utilized in various radio receiver stages for signal amplification.
• Communication Equipment: Used in communication systems for amplifying signals with low noise.
• High-Frequency Amplifiers: Suited for applications requiring high-frequency signal amplification with minimal noise.

Features:

• Low Noise Figure: Minimizes added noise, crucial for sensitive receiver applications.
• High Gain: Provides significant amplification of input signals.
• High Transition Frequency (fT): Enables operation at high frequencies with good gain.
• Low Collector-Base Capacitance: Reduces signal attenuation at high frequencies.
• Small Package: Allows for compact circuit designs.

Benefits:

• Improved Receiver Sensitivity: Enhances the ability to detect weak signals in communication systems.
• Enhanced Signal Amplification: Provides high gain for amplifying signals.
• Reduced Noise: Minimizes added noise for clearer signal reception.
• Efficient High-Frequency Operation: Operates effectively at VHF and UHF frequencies.
• Compact Design: Small package allows for space-saving circuit layouts.

Additional Details:

The 2SC3761 typically comes in a small plastic package, such as a SOT-23 or similar. It has specific voltage and current ratings. Refer to the manufacturer's datasheet for precise electrical characteristics, such as the noise figure (NF), transition frequency (fT), and collector-base capacitance (Cob).