The 2SD1471 is an NPN silicon epitaxial transistor manufactured by Hitachi. It is designed for use in various high-power applications, particularly within audio amplifiers and power supplies. This transistor is known for its robust characteristics and ability to handle significant current and voltage levels.

Applications

• Audio Amplifiers: Commonly used in the output stage of audio amplifiers to deliver high-quality sound reproduction.
• Power Supplies: Suitable for use in power supply circuits as a switching or regulating element.
• Motor Control: Can be employed in motor control circuits, providing the necessary current amplification.
• General Purpose Switching: Useful in various switching applications where a high-power NPN transistor is required.

Features

• High Collector Current: Capable of handling a high collector current, making it suitable for demanding applications.
• High Voltage: Designed to withstand high voltage levels, ensuring reliable operation in high-voltage circuits.
• Low Saturation Voltage: Exhibits low saturation voltage, which helps to minimize power loss and improve efficiency.
• Fast Switching Speed: Features a fast switching speed, enabling its use in high-frequency switching applications.
• Excellent Linearity: Provides excellent linearity, ensuring minimal distortion in audio amplifier applications.

Benefits

• Enhanced Audio Quality: Delivers high-fidelity audio reproduction in amplifier circuits.
• Improved Power Efficiency: Contributes to improved power efficiency in power supply designs.
• Reliable Performance: Offers reliable performance in demanding applications due to its robust design.
• Reduced Distortion: Minimizes signal distortion, resulting in cleaner and more accurate signal amplification.
• Versatile Use: Can be used in a wide range of applications, providing design flexibility.

Technical Specifications

The 2SD1471 typically features a collector-emitter voltage (VCEO) of around 120V, a collector current (IC) of approximately 10A, and a power dissipation (PD) of about 80W. These specifications allow it to operate effectively in high-power circuits. Its current gain (hFE) is usually within a specific range, ensuring consistent performance. The device is commonly packaged in a TO-3P or similar package, facilitating easy mounting and heat dissipation. This transistor's characteristics make it a dependable choice for applications requiring robust and efficient power handling.