2SC5200 NPN Power Amplifier Transistor

The 2SC5200 is a popular high-power NPN transistor often used in audio amplifier circuits due to its high current and voltage handling capabilities. Manufactured by Toshiba and widely adopted in both professional and DIY audio applications, it is known for its reliability, durability, and performance in delivering clear and distortion-free sound.

Key Specifications:

• Type: NPN Bipolar Junction Transistor (BJT)
• Maximum Collector-Emitter Voltage (Vce): 230V
• Maximum Collector Current (Ic): 15A
• Power Dissipation (Pd): 150W
• Current Gain (hFE): 55 – 160
• Transition Frequency (fT): 30 MHz

Construction and Package

The 2SC5200 comes in a TO-264 package, designed to handle large amounts of heat dissipation, a critical aspect in power amplifier applications. It is a silicon-based transistor optimized for high-power audio amplification. This design makes it ideal for usage in power amplifiers, where high currents and voltages are needed.

Applications

Primarily used in high-power audio amplifiers, the 2SC5200 works as the output stage transistor in class AB amplifiers, providing clean, high-fidelity sound with minimal distortion. Due to its high power dissipation, it is also used in other applications such as:

• Audio Power Amplifiers
• Power Supply Circuits
• Switching Circuits
• Inverters and Converters

In audio systems, this transistor works in conjunction with its complementary PNP counterpart, the 2SA1943. Together, these transistors form the push-pull configuration in amplifier output stages. The push-pull design reduces distortion and improves efficiency, providing smooth audio reproduction even at high power levels.

Advantages

• High Power Handling: The 150W power dissipation rating makes the 2SC5200 suitable for high-power applications, ensuring stability under heavy loads.
• Thermal Stability: Its robust construction and the use of efficient heat sinks make it ideal for long-term usage in demanding environments.
• Wide Availability: Due to its popularity, it is easily sourced and widely used by DIY enthusiasts and professionals alike.

Overall, the 2SC5200 is a trusted component for delivering high-quality sound amplification in both home and professional audio systems.