NJL3281DG

Product Overview

The NJL3281DG is a power transistor belonging to the category of electronic components. It is commonly used in audio amplifiers and high-power applications due to its characteristics such as high voltage and current capabilities. The package typically consists of a plastic case with metal tabs for heat dissipation. The essence of this product lies in its ability to amplify signals with high fidelity and efficiency. The packaging usually contains one piece of the NJL3281DG.

Specifications

• Maximum Collector-Emitter Voltage: 230V
• Maximum Collector Current: 15A
• Power Dissipation: 200W
• Transition Frequency: 30MHz
• Package Type: TO-264

Detailed Pin Configuration

The NJL3281DG features a standard pin configuration with three pins: the emitter, base, and collector. The pinout is as follows: - Pin 1: Emitter - Pin 2: Base - Pin 3: Collector

Functional Features

The NJL3281DG offers high voltage and current capabilities, making it suitable for use in audio amplifiers and power applications. It exhibits low distortion and high linearity, contributing to the faithful reproduction of audio signals. Additionally, it has a robust construction that allows for efficient heat dissipation, ensuring reliable performance under high-power conditions.

Advantages and Disadvantages

Advantages

• High voltage and current ratings
• Low distortion and high linearity
• Efficient heat dissipation
• Suitable for high-power applications

Disadvantages

• Relatively large package size
• Higher cost compared to lower power transistors

Working Principles

The NJL3281DG operates based on the principles of bipolar junction transistors (BJTs). When a small signal is applied to the base terminal, it controls the larger current flowing between the collector and emitter terminals. This amplification process allows the NJL3281DG to effectively boost the power of input signals while maintaining fidelity and linearity.

Detailed Application Field Plans

The NJL3281DG finds extensive use in audio amplifier systems, particularly in high-fidelity audio equipment and professional sound reinforcement applications. Its high power handling capability makes it suitable for driving loudspeakers and delivering clean, undistorted audio signals. Additionally, it is employed in power supply circuits where high current and voltage requirements are essential.

Detailed and Complete Alternative Models

• MJL3281A: Similar specifications and performance
• MJE3281: Lower power rating but compatible for certain applications
• 2SC5200: Comparable characteristics and suitable for audio amplification

In conclusion, the NJL3281DG is a versatile power transistor with high voltage and current capabilities, making it well-suited for audio amplifiers and high-power applications. Its robust construction, low distortion, and high linearity contribute to its widespread use in audio systems and power supply circuits.

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