500W MOSFET Amplifier Cercuit Diagram using 2SK1530 & 2SJ201

Introduction

The 500W MOSFET amplifier circuit diagram using 2SK1530 and 2SJ201 is a powerful audio amplifier design that utilizes high-performance components to deliver optimal sound quality. This amplifier circuit is particularly noteworthy due to its utilization of the 2SK1530 and 2SJ201 MOSFETs in the output section, as well as the MJE340, MJE350 transistors in the driver section, and the BC546 transistor in the preamplifier section. This combination of top-performing components ensures a reliable and efficient amplifier design that can deliver a high-power output of 500W. In this article, we will discuss the circuit design, specifications of each transistor, and the benefits of using this amplifier circuit.

Specifications of the Components:

1. 2SK1530 – The 2SK1530 is a power MOSFET with a maximum drain voltage of 500V and a maximum drain current of 9A. It offers low on-resistance and high forward transconductance, making it suitable for high-power amplifier applications.
2. 2SJ201 – The 2SJ201 is another power MOSFET with a maximum drain voltage of 500V and a maximum drain current of 9A. It shares similar characteristics to the 2SK1530 and is often paired with it in audio amplifier designs.
3. MJE340 – The MJE340 is a general-purpose NPN transistor with a maximum collector current of 500mA. It has a high voltage rating and is commonly used in audio amplifier driver stages.
4. MJE350 – The MJE350 is a complementary PNP transistor to the MJE340. It also has a maximum collector current of 500mA and is suitable for audio amplifier applications.
5. BC546 – The BC546 is a general-purpose NPN transistor with a maximum collector current of 100mA. It is commonly used in low-power audio amplifier circuits and preamplifier stages due to its low noise characteristics.

500W MOSFET Amplifier Circuit Diagram using 2SK1530 & 2SJ201

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

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Components List of 500W MOSFET Amplifier using 2SK1530 & 2SJ201

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

• 2SK1530 MOSFET x 4
• 2SJ201 MOSFET x 4
• MJE340 Transistor x 3
• MJE350 Transistor x 2
• BC546 Transistor x 4
• 15V Zener Diode x 2
• 13V Zener Diode x 2
• 1N4004 Diode x 2

Explanation of 500W MOSFET Amplifier using 2SK1530 & 2SJ201

The 500W MOSFET amplifier circuit diagram using 2SK1530 and 2SJ201 MOSFETs comprises various sections, each playing a crucial role in achieving optimal performance. Starting with the output section, the 2SK1530 and 2SJ201 MOSFETs are employed as power amplifiers. These MOSFETs offer low distortion, high output power capabilities, and excellent thermal stability. Their use in the output stage ensures reliable and efficient power delivery, resulting in high-quality audio output.

Moving on to the driver section, the MJE340 and MJE350 transistors are utilized. These transistors act as buffer and driver stages, providing the necessary voltage gain and current drive to the power MOSFETs. With their high voltage rating and high switching speeds, these transistors enhance the overall performance of the amplifier circuit, enabling it to deliver a powerful output.

In the preamplifier section, the BC546 transistor is chosen. This transistor is known for its low noise and low power dissipation characteristics. As a result, it ensures that the audio signals are amplified accurately and without distortion, contributing to the overall sound quality of the amplifier circuit.

Conclusion

The 500W MOSFET amplifier circuit diagram, featuring the 2SK1530 and 2SJ201 MOSFETs in the output section, the MJE340 and MJE350 transistors in the driver section, and the BC546 transistor in the preamplifier section, offers a powerful and efficient audio amplification solution. The combination of these high-performance components ensures optimum sound quality, low distortion, and reliable power delivery. The specifications of each component further highlight their suitability for audio amplifier applications. By implementing this circuit, audio enthusiasts can enjoy high-quality sound reproduction with a power output of 500W.

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