260W Power Amplifier Circuit Diagram using TIP140

Introduction

In the quest for powerful audio amplification, engineers are constantly exploring new circuit designs and transistor combinations. One such circuit that has gained popularity is the 260W Power Amplifier Circuit Diagram, which utilizes two pairs of TIP140, TIP145 in output section and BD139, BD140, BC556C transistors for its driver and preamplifier sections. This circuit is capable of delivering high-quality audio performance and is suitable for a variety of applications.

The heart of this power amplifier circuit is the combination of TIP140 and TIP145 transistors. These transistors are known for their high voltage and current capabilities, making them ideal for high-powered audio amplification. With a maximum collector-emitter voltage of 120V and a maximum collector current of 10A, these transistors can handle the demands of large audio systems.

260W Power Amplifier Circuit Diagram

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

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

TIP140 Transistor x 2
TIP139 Transistor x 2
BD139 Transistor x 2
BD140 Transistor x 1
BC556C Transistor x 2
1k Resister x 1
47k Resister x 1
12k Resister x 1
270 Ohms Resister x 3
680 Ohms Resister x 2
2.2k Resister x 1
33k Resister x 1
47 Ohms Resister x 1
2.7k Resister x 1
390 Ohms Resister x 1
3.9k Resister x 1
82 Ohms Resister x 1
120 Ohms/1W Resister x 2
47 Ohms/5W Resister x 4
10 Ohms/5W Resister x 2 Output
100pF Capacitor x 2
220nF Capacitor x 1
100nF Capacitor x 1
47nF Capacitor x 1
100uF Capacitor x 1
47uF Capacitor x 2
270uF Capacitor x 1
56pF Capacitor x 2
1N4001 Diode x 1

Specifications of TIP140 & TIP145 Transistors

Maximum Collector-Emitter Voltage (Vceo):
- TIP140: 120V
- TIP145: 120V
Maximum Collector Current (Ic):
- TIP140: 10A
- TIP145: 10A
Power Dissipation (Pd):
- TIP140: 125W
- TIP145: 125W
Gain-Bandwidth Product (fT):
- TIP140: 2.5MHz
- TIP145: 2.5MHz

Explanation of 260W Power Amplifier Circuit Diagram

These specifications ensure that the TIP140 and TIP145 transistors can handle the power requirements of the 260W Power Amplifier Circuit Diagram. Moreover, their robustness and performance characteristics make them the ideal choice for high-powered audio applications.

The inclusion of BD139, BD140, and BC556C transistors in this circuit further enhances its performance. These transistors complement the TIP140 and TIP145 transistors, providing stability and improved audio quality. By utilizing these transistor combinations, the power amplifier circuit delivers a clean and distortion-free audio signal, faithfully reproducing the original sound source.

Conclusion of 260W Power Amplifier Circuit Diagram

The 260W Power Amplifier Circuit Diagram, utilizing two pairs of TIP140, TIP145, BD139, BD140, and BC556C transistors, offers a high-powered audio amplification solution for various applications. The TIP140 and TIP145 transistors provide the necessary voltage and current handling capabilities, while the BD139, BD140, and BC556C transistors enhance the performance and stability of the circuit. This combination ensures a clean and distortion-free audio signal, allowing for faithful reproduction of the original sound source. With its impressive specifications and reliable performance, this power amplifier circuit is a versatile choice for audio enthusiasts and professionals alike.

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