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PMBT3904 NPN Transistor - Product Details

Introduction:
The PMBT3904 is a high-performance NPN transistor designed for a wide range of electronic applications. With its compact size and excellent electrical characteristics, this transistor is a versatile component that can be used in various circuits and systems. Whether you're working on amplifiers, switches, or signal processing applications, the PMBT3904 is a reliable choice for your project.

Key Features:

1. NPN Transistor: The PMBT3904 is an NPN (Negative-Positive-Negative) transistor, which allows for efficient amplification and switching of electrical signals.

2. Small Signal Amplification: This transistor is specifically designed for small signal amplification applications, making it an ideal choice for audio amplifiers, oscillators, and other low-power circuits.

3. High Gain: The PMBT3904 offers high current gain (hFE) of up to 300, ensuring effective signal amplification and accurate reproduction.

4. Low Noise: With a low noise figure, this transistor minimizes unwanted noise and interference, making it suitable for sensitive audio and radio frequency applications.

5. Fast Switching Speed: The PMBT3904 features a fast switching speed, allowing for rapid on/off transitions in digital circuits and switching applications.

6. Wide Voltage Range: This transistor operates within a wide voltage range of 40V, making it suitable for a broad range of electronic designs.

7. SMD Package: The PMBT3904 comes in a compact SMD (Surface Mount Device) package, enabling easy integration into densely populated circuit boards and space-constrained applications.

Electrical Characteristics:

To give you a better understanding of the PMBT3904's electrical performance, refer to the table below:

Applications:

The PMBT3904 transistor finds applications in a wide range of electronic circuits, including:

1. Amplifiers: Use the PMBT3904 in audio amplifiers, preamplifiers, and other low-power amplification stages.

2. Switching Circuits: Employ this transistor in switching circuits, such as digital switches, relay drivers, and logic gates.

3. Oscillators: The PMBT3904 can be used in oscillator circuits for generating stable and accurate frequencies.

4. Signal Processing: Utilize this transistor in signal processing applications, such as filters, mixers, and modulators.

5. RF (Radio Frequency) Circuits: The PMBT3904's low noise and high gain make it suitable for RF circuits, including RF amplifiers and receivers.

Please note that this is just a brief overview of the PMBT3904 transistor's features and applications. For a more detailed understanding of its characteristics and usage, please refer to the product datasheet and application notes.

In conclusion, the PMBT3904 NPN transistor is a versatile and reliable component for a wide range of electronic applications. With its compact size, high gain, low noise, and fast switching speed, it is an excellent choice for amplification, switching, and signal processing tasks. Incorporate the PMBT3904 into your designs to enhance performance and achieve optimal results.

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