The 2SA1404 is a PNP silicon epitaxial planar transistor manufactured by SANYO Semiconductor. It is designed for use in audio frequency power amplifier applications. This transistor provides high linearity and high power amplification capabilities.

Applications:

• Audio Power Amplifiers: Used in the output stages of audio amplifiers.
• Hi-Fi Audio Equipment: Found in high-fidelity audio systems for signal amplification.
• Stereo Amplifiers: Implemented in stereo amplifier circuits.
• Musical Instruments: Utilized in musical instrument amplifiers.
• General Purpose Amplification: Employed in various general-purpose amplification applications.

Features:

• PNP Silicon Epitaxial Planar Transistor: Offers stable performance and high reliability.
• High Collector Dissipation: Capable of handling significant power dissipation.
• High Current Gain (hFE): Provides substantial amplification of input current.
• Low Distortion: Ensures high-fidelity audio amplification.
• Complementary Pair: Can be used with its NPN complement for symmetrical amplification.

Benefits:

• Enhanced Audio Quality: Delivers high-fidelity audio amplification with low distortion.
• Increased Power Output: Provides high power amplification for audio signals.
• Improved Circuit Performance: Contributes to overall circuit stability and performance.
• Versatile Application: Suitable for a wide range of audio amplification applications.
• Long Service Life: Silicon construction ensures long-term reliability.

Additional Details:

The 2SA1404 has a collector-emitter voltage (VCEO) of -160V and a continuous collector current (IC) of -10A. It is typically available in a TO-3P package. Proper heat sinking is recommended to ensure reliable operation at high power levels. It is designed to provide excellent linearity and high gain in audio amplifier circuits.