400W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943

Introduction

A power amplifier is an essential component in any audio system, as it amplifies the low-power audio signals to high-power signals required by speakers. In this article, we will discuss a 400W power amplifier circuit diagram that utilizes 2SC5200 & 2SA1943, a combination of transistors to achieve high-quality audio amplification. Specifically, the output section of the circuit features 2SC5200 and 2SA1943 transistors, the driver section utilizes TIP31 and TIP32 transistors, and the preamplifier section employs MPSA92 transistors. Let’s delve deeper into this circuit and understand its specifications.

Specifications of Transistors Used:

  1. 2SC5200 Transistor:
  • Maximum Collector Power Dissipation: 150W
  • Maximum Collector-Base Voltage: 230V
  • Maximum Collector-Emitter Voltage: 230V
  • Maximum Collector Current: 15A
  • Transition Frequency: 15MHz
  1. 2SA1943 Transistor:
  • Maximum Collector Power Dissipation: 150W
  • Maximum Collector-Base Voltage: 230V
  • Maximum Collector-Emitter Voltage: 230V
  • Maximum Collector Current: 15A
  • Transition Frequency: 20MHz
  1. TIP31 Transistor:
  • Maximum Collector Power Dissipation: 40W
  • Maximum Collector-Base Voltage: 100V
  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector Current: 3A
  • DC Current Gain: 15-140
  1. TIP32 Transistor:
  • Maximum Collector Power Dissipation: 40W
  • Maximum Collector-Base Voltage: 100V
  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector Current: 3A
  • DC Current Gain: 15-140
  1. MPSA92 Transistor:
  • Maximum Collector Power Dissipation: 625mW
  • Maximum Collector-Base Voltage: 300V
  • Maximum Collector-Emitter Voltage: 300V
  • Maximum Collector Current: 0.5A
  • DC Current Gain: 100-300



400W 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.

400W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943
400W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943
63V Power Supply Circuit Diagram
63V Power Supply Circuit Diagram

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.




More Circuit Layouts





Components List of 400W Amplifier Circuit using 2SC5200 & 2SA1943

Following is the list of all components used in this project of 400W Amplifier Circuit using 2SC5200 & 2SA1943.

Transistors:

  • 2SC5200 Transistor x 3
  • 2SA1943 Transistor x 3
  • TIP31 or 2SC4793 Transistor x 4
  • TIP32 or 2SA1837 Transistor x 1
  • MPSA92 or 2N5401 Transistor x 4

Resisters:

  • 47K Resister x 1
  • 1.8K/1W Resister x 2
  • 33K/1W Resister x 1
  • 15K Resister x 1
  • 27K Resister x 1
  • 1K Resister x 1
  • 47K/1W Resister x 1
  • 6.8K Resister x 1
  • 10K Resister x 1
  • 100Ω/1W Resister x 4
  • 22Ω/1W Resister x 2
  • 220Ω/5W or 470R/2W Parallel Resister x 2
  • 2.2Ω/5W Resister x 2
  • 120Ω/5W or 220R/2W Parallel Resister x 2
  • 22Ω/2W Resister x 2
  • 10Ω/5W Resister x 2

Capacitors:

  • 10µF/50V Capacitor x 1
  • 120nF Capacitor x 1
  • 220µF/80V Capacitor x 2
  • 120pF Capacitor x 2
  • 470pF Capacitor x 2
  • 100nF/275V Capacitor x 1

Miscellaneous:

  • 33V Zener Diode x 1
  • 1N4007 Diode x 3
  • 10uH Coil x 1




Explanation of 400W Amplifier Circuit using 2SC5200 & 2SA1943

A 400W power amplifier holds great importance in any audio system, providing the necessary amplification required to drive speakers to their full potential. The power amplifier circuit we are about to discuss employs a clever combination of transistors to deliver high-quality audio output. This circuit not only enhances the audio signal but also ensures its faithful reproduction.

At the heart of the output section lie the 2SC5200 and 2SA1943 transistors. These power transistors are known for their excellent thermal stability, high power dissipation capabilities, and low distortion characteristics. The 2SC5200 and 2SA1943 transistors can handle a maximum power dissipation of 150W, making them ideal for high-power audio amplification. Additionally, these transistors offer high collector-base and collector-emitter voltages of 230V, enabling the amplifier to handle demanding audio signals.

Moving on to the driver section, the TIP31 and TIP32 transistors play a crucial role in providing adequate voltage and current gain. These medium-power transistors can handle a maximum power dissipation of 40W, allowing them to effectively drive the power transistors in the output section. With maximum collector-base and collector-emitter voltages of 100V and 40V respectively, the TIP31 and TIP32 transistors ensure stable amplification without introducing distortion.

In the preamplifier section, the MPSA92 transistors are employed to amplify the low-level audio signals to a level suitable for the driver section. These small-signal transistors offer a maximum power dissipation of 625mW, making them ideal for preamplification purposes. With collector-base and collector-emitter voltages of 300V, the MPSA92 transistors provide sufficient voltage headroom for audio amplification.

Conclusion

In conclusion, the 400W power amplifier circuit described above demonstrates the effective utilization of different types of transistors to achieve high-quality audio amplification. The combination of 2SC5200 and 2SA1943 power transistors, TIP31 and TIP32 driver transistors, and MPSA92 preamplifier transistors ensures reliable and distortion-free amplification. Whether it is for home audio systems or professional setups, this power amplifier circuit delivers exceptional results, providing an immersive audio experience.

More projects, You may like:



For more project and circuit diagrams, you can go through the Schematics in the main menu where you can find many interesting projects and circuit diagrams like audio amplifier circuits, voltage booster circuitbattery charger circuit and timer circuits etc., which are all beginner circuit projects. Feel free to check them out!

400W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943
400W Power Amplifier Circuit Diagram using 2SC5200 & 2SA1943
63V Power Supply Circuit Diagram
63V Power Supply Circuit Diagram

Thank you for visiting the a

(Visited 546 times, 1 visits today)

Leave a Reply

Your email address will not be published.