The 2SC5087-Y is a silicon NPN epitaxial planar transistor manufactured by Toshiba Semiconductor and Storage. It is specifically designed for VHF/UHF power amplifier applications in mobile communication equipment. This transistor is characterized by its high power gain and its ability to deliver substantial output power at high frequencies.

Applications:

• VHF/UHF power amplifiers
• Mobile radio equipment
• Communication systems
• RF transmitters
• Driver stages for higher-power amplifiers

Features:

• High power gain: Facilitates efficient amplification of RF signals.
• High output power: Provides adequate power for reliable signal transmission.
• Low intermodulation distortion: Minimizes unwanted signal artifacts.
• High collector-emitter breakdown voltage: Enhances device reliability.
• Surface mount package: Enables compact and efficient circuit layouts.

Benefits:

• Efficient RF amplification: Delivers high power output with minimal input signal.
• Clear signal transmission: Maintains signal integrity and minimizes distortion.
• Versatile application: Suitable for a wide range of VHF/UHF wireless communication devices.
• Compact design: Allows for miniaturization of RF circuits.
• Reliable performance: Ensures stable and consistent operation over its specified lifetime.

The 2SC5087-Y is commonly used in the output stages of VHF/UHF transmitters, where it provides the necessary power to drive an antenna. Key specifications include collector-emitter voltage (VCEO), collector current (IC), power dissipation (PC), and transition frequency (fT). The "Y" designation typically indicates a specific gain grouping or binning, affecting its performance characteristics. Efficient thermal management is critical to prevent overheating and ensure long-term reliability. Refer to the Toshiba datasheet for detailed electrical characteristics, thermal resistance, and safe operating area information. Proper impedance matching is essential for maximizing power transfer and minimizing signal reflections, optimizing overall system efficiency.