The 2SC4288A is a silicon NPN epitaxial planar transistor manufactured by Toshiba Semiconductor and Storage. It is designed for high-frequency power amplifier applications, typically used in VHF and UHF bands. This transistor is frequently employed in communication equipment such as transmitters and receivers, where high power gain and stable operation are crucial.

Applications

• VHF/UHF power amplifiers
• Oscillator circuits
• RF modulators
• Communication equipment (transmitters/receivers)
• Mobile radio equipment

Features

• NPN silicon epitaxial planar transistor
• High power gain
• Low feedback capacitance
• High transition frequency (fT)
• Excellent linearity

Benefits

• Efficient power amplification in high-frequency ranges
• Stable operation due to low feedback capacitance
• Minimal distortion in amplified signals
• Suitable for high-performance communication systems
• Enables compact and efficient transmitter designs

Additional Details

The 2SC4288A typically features a collector-emitter voltage (VCEO) of around 18V. Its collector current (IC) is rated around 1A. The power dissipation (PC) is typically around 5W. The transition frequency (fT) is in the hundreds of MHz range, making it suitable for VHF/UHF applications. The low feedback capacitance ensures stable operation and reduces the risk of oscillation. It is typically packaged in a small plastic package, such as a TO-92 or similar. The high power gain allows for efficient amplification of signals with minimal input power. The 'A' suffix likely indicates a specific gain range or other characteristic. Detailed specifications can be found in the Toshiba datasheet for this part number. It is frequently utilized in mobile communication devices and base stations. This transistor enables efficient power amplification in high-frequency communication systems.