MOSFET Amplifier Circuit IRFP250N 200W

200W MOSFET Amplifier Circuit using IRFP250N

Introduction

An amplifier circuit is an essential component in the field of electronics, as it is responsible for increasing the strength of electrical signals. Among the numerous amplifier circuits available, the MOSFET amplifier is one of the most widely used due to its superior performance. In this article, we will discuss a 200W MOSFET Amplifier Circuit Diagram that utilizes the IRFP250N MOSFET, along with 2N5401, BD139, and MJE340 transistors. This article aims to provide a comprehensive understanding of the circuit and its specifications, detailing the components and their functionalities.

MOSFET Amplifier Circuit using IRFP250N

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

200W MOSFET Amplifier Circuit Diagram using IRFP250N

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Components List of MOSFET Amplifier Circuit IRFP250N

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

IRFP250N MOSFET x 4
2N5401 Transistor x 3
BD139 Transistor x 1
MJE340 Transistor x 1

Explanation of MOSFET Amplifier Circuit IRFP250N

IRFP250N MOSFET: The IRFP250N MOSFET is the main component of this amplifier circuit. It is a high power N-Channel MOSFET capable of handling large currents and voltages. Its low on-resistance and fast switching characteristics make it an ideal choice for audio amplification applications.

Specifications of IRFP250N MOSFET:

Drain-Source Voltage (VDS): 200V
Gate-Source Voltage (VGS): ±20V
Continuous Drain Current (ID): 30A
Total Power Dissipation (PD): 214W
Gate Threshold Voltage (VGS(th)): 2-4V
Drain-Source On-Resistance (RDS(on)): 0.072Ω

2N5401 Transistor: The 2N5401 is a PNP transistor used for pre-amplification purposes in this circuit. It provides amplification and signal conditioning before the signal is fed into the MOSFET.

BD139 and MJE340 Transistors: These are NPN transistors used for the final audio output stage in the amplifier circuit. They help boost the overall power of the output signal.

Conclusion

The 200W MOSFET amplifier circuit presented in this article demonstrates the application of the IRFP250N MOSFET, alongside complementary transistors, in achieving a high-power audio amplification system. The circuit’s design ensures effective signal amplification and delivery, making it suitable for various audio applications. By utilizing the specified components, this amplifier circuit can provide a power output of up to 200W, delivering clear and distortion-free audio signals.

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