500W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943

Introduction

In the world of electronics, power amplifiers play a crucial role in boosting the signal strength of audio devices. A 500W power amplifier circuit diagram using 2SC5200 & 2SA1943 in the output section, 2SD718, 2SB688, TIP42 in the driver section, and A1015, C1815 in the preamplifier section is a high-performance amplifier design that promises to deliver impressive audio quality with its powerful output.

Transistors Specification:

2SC5200:

• Maximum Power Dissipation: 150W
• Collector-Emitter Voltage: 230V
• Collector Current: 15A
• Transition Frequency: 30MHz

2SA1943:

• Maximum Power Dissipation: 130W
• Collector-Emitter Voltage: 230V
• Collector Current: 15A
• Transition Frequency: 30MHz

2SD718:

• Maximum Collector-Base Voltage: 180V
• Maximum Collector-Emitter Voltage: 150V
• Maximum Collector Current: 8A
• Maximum Power Dissipation: 70W
• DC Current Gain (hFE): 20-60
• Transition Frequency (fT): 50MHz

TIP42:

• Collector-Emitter Voltage: 60V
• Collector Current: 6A
• Power Dissipation: 65W
• Transition Frequency: 3MHz

A1015:

• Collector-Emitter Voltage: 50V
• Collector Current: 150mA
• Power Dissipation: 400mW
• Transition Frequency: 80MHz

C1815:

• Collector-Emitter Voltage: 50V
• Collector Current: 150mA
• Power Dissipation: 400mW
• Transition Frequency: 100MHz

500W Amplifier Circuit Diagram using 2SC5200 & 2SA1943

This project can be built using a few basic components. The circuit diagram of this project is shown below.

Caution: Website contains information on high voltage circuits. Proceed at your own risk, ensuring proper knowledge and precautionary measures to prevent electric shock or injury.

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Components List of 500W Amplifier Circuit Diagram using 2SC5200 & 2SA1943

Following is the list of all components used in this project:

Transistors:

• 2SC5200 Transistor x 5
• 2SA1943 Transistor x 2
• 2SD718 Transistor x 1
• 2SB688 Transistor x 1
• TIP42 Transistor x 1
• 2SC2229 Transistor x 2
• C1815 Transistor x 1
• A1015 Transistor x 2

Resistors:

• 0.22Ω/5W Resister x 10
• 10Ω/2W Resister x 2
• 100Ω/2W Resistor x 2
• 33Ω Resister x 1
• 150Ω Resistor x 3
• 10K Resistor x 1
• 1K Resistor x 1
• 4.7K Resister x 2
• 56KΩ Resister x 2
• 33K Resister x 1
• 3.3K Resister x 2

Capacitors:

• 47uF/80V Electrolytic Capacitor x 2
• 2.2uF/50V Electrolytic Capacitor x 1
• 100pF Ceramic Capacitor x 2
• 0.47uF Ceramic Capacitor x 1
• 470pF Ceramic Capacitor x 1

Miscellaneous:

• 1N4007 Diode x 3
• 18V or 24V Zener Diode x 1
• ±70V Symmetrical Power Supply
• 4Ω Speaker

Explanation of 500W Amplifier Circuit Diagram using 2SC5200 & 2SA1943

The heart of this 500W power amplifier circuit diagram is the output section, where the 2SC5200 and 2SA1943 transistors are used in a complementary configuration to provide high power output. These transistors are known for their excellent power handling capability and reliability, making them ideal for high-power applications like audio amplifiers.

In the driver section, the 2SD718, 2SB688, and TIP42 transistors are used to provide the necessary drive current to the output transistors. These transistors act as buffers between the preamplifier section and the output section, ensuring smooth signal transmission and amplification.

The preamplifier section of this circuit utilizes the A1015 and C1815 transistors to amplify the incoming audio signal before it reaches the driver and output sections. These transistors are well-suited for low-power amplification tasks and help to maintain signal integrity throughout the amplification process.

Conclusion

Overall, this 500W power amplifier circuit diagram using 2SC5200 and 2SA1943 transistors offers a robust and reliable solution for high-power audio amplification needs. With the right components and proper assembly, this circuit has the potential to deliver clean and powerful audio output for a variety of applications.

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