The 2SC3622 is a silicon NPN epitaxial planar transistor manufactured by NEC. This transistor is designed for low noise amplifier applications in the VHF and UHF bands. It's known for its high gain and low noise figure, making it suitable for sensitive receiver front-ends.

Applications

• VHF/UHF low noise amplifiers
• CATV amplifiers
• Satellite receiver LNBs
• RF front-end stages

Features

• Low Noise Figure: Ensures minimal noise contribution in sensitive receiver applications.
• High Gain: Provides excellent signal amplification.
• High Transition Frequency: Suitable for high-frequency applications in the VHF and UHF bands.
• Low Feedback Capacitance: Reduces unwanted feedback and oscillations.

Benefits

• Improved Receiver Sensitivity: The low noise figure enhances the receiver's ability to detect weak signals.
• Enhanced Signal Amplification: High gain provides robust amplification for better signal quality.
• Stable Performance: Low feedback capacitance ensures stable operation and reduces the risk of oscillations.
• Ideal for High Frequency Applications: Designed specifically for use in VHF and UHF bands.

Additional Details

The 2SC3622 is typically supplied in a small signal package, such as SOT-23 or similar. It is designed to operate at a collector-base voltage (VCBO) of 25V, a collector-emitter voltage (VCEO) of 20V, and an emitter-base voltage (VEBO) of 3V. The collector current (IC) is rated at 30mA. The transistor features a high transition frequency (fT), typically around 6.5 GHz. The noise figure (NF) is typically around 1.3 dB at 1 GHz, ensuring excellent low-noise performance. Its operating temperature range typically spans from -55°C to +150°C.