The 2SC2131 is a silicon NPN epitaxial planar transistor manufactured by Mitsubishi. It is designed for high-frequency amplifier applications, particularly in VHF and UHF bands. This transistor is characterized by its high gain and low noise figure, making it suitable for sensitive receiver circuits and signal amplification.

Applications

• VHF/UHF Amplifiers
• Oscillators
• Mixers
• RF Front-End Circuits

Features

• High Transition Frequency (fT): Allows operation at high frequencies.
• Low Noise Figure: Minimizes noise in amplifier circuits.
• High Gain: Provides significant signal amplification.
• Small Signal Amplifier: Optimized for amplifying weak signals.

Benefits

• Improved Signal Reception: Low noise figure ensures weak signals are clearly amplified.
• Enhanced Circuit Performance: High gain increases signal strength and overall circuit efficiency.
• Stable Operation: Reliable performance in a variety of operating conditions.
• Versatile Usage: Suitable for various high-frequency amplifier and oscillator applications.

Additional Details

The 2SC2131 typically features a collector-emitter voltage (VCEO) rating of around 20V, and a collector current (IC) rating of approximately 30mA. The transition frequency (fT) is generally several hundred MHz. It is commonly available in a small signal package, such as a TO-92. Optimal performance in low-noise amplifier circuits requires careful biasing and impedance matching. The design of this transistor ensures consistent and reliable amplification in sensitive electronic systems operating at high frequencies.