The 2SC1881 is an NPN silicon epitaxial planar transistor manufactured by Hitachi. It is designed for low-noise amplifier applications in the VHF and UHF bands. Its high gain and low noise figure make it suitable for sensitive receiver circuits.

Applications

• VHF/UHF Amplifiers: Used in low-noise amplifiers for VHF and UHF receivers.
• TV Tuners: Employed in TV tuners for signal amplification.
• Communication Equipment: Suitable for use in various communication devices, such as radios and transceivers.
• RF Amplifiers: Used in RF amplifiers for amplifying weak signals.
• Oscillators: Can be used in oscillator circuits for signal generation.

Features

• NPN Silicon Epitaxial Planar Transistor: Provides reliable performance and consistent characteristics.
• Low Noise Figure: Ensures minimal noise contribution to the amplified signal.
• High Gain: Offers high amplification for weak signals.
• High Transition Frequency (fT): Suitable for high-frequency applications.
• Miniature Package: Allows for compact circuit design.

Benefits

• Improved Signal Sensitivity: Enhances the ability to detect weak signals.
• High-Quality Amplification: Delivers clear and accurate signal amplification with minimal noise.
• Easy Integration: Simple to incorporate into existing high-frequency circuits.
• Versatile Application: Suitable for a wide range of VHF/UHF amplifier applications.
• Compact Design: Allows for miniaturization of electronic devices.

Additional Details

The 2SC1881 has a collector-emitter voltage (VCEO) of 20V, a collector current (IC) of 30mA, and a power dissipation (PC) of 200mW. The noise figure (NF) is typically 2dB at 200MHz. The transition frequency (fT) is typically 2.0GHz. The transistor is housed in a small signal package, allowing for compact circuit design.