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BC817-40 - Product Details

Introduction:
The BC817-40 is a general-purpose NPN bipolar junction transistor (BJT) that offers excellent performance and versatility in a compact package. Designed for a wide range of applications, this transistor is well-suited for use in amplifiers, switches, and other electronic circuits. Its exceptional electrical characteristics and small form factor make it an ideal choice for projects where space is limited and performance is crucial.

Key Features:

1. NPN Bipolar Junction Transistor: The BC817-40 is an NPN BJT, enabling efficient amplification and switching of electrical signals.

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

3. High Voltage Capability: The BC817-40 can handle a maximum collector-emitter voltage (VCEO) of 45V, allowing for operation in a wide range of voltage applications.

4. High Current Gain: With a high current gain (hFE) of up to 800, the BC817-40 ensures effective signal amplification and accurate reproduction.

5. Low Noise: This transistor features low noise characteristics, minimizing unwanted noise and interference, making it ideal for sensitive audio and radio frequency applications.

6. Fast Switching Speed: The BC817-40 has a fast switching speed, allowing for rapid on/off transitions in digital circuits and switching applications.

7. SOT-23 Package: The BC817-40 comes in a compact SOT-23 package, facilitating easy integration into densely populated circuit boards and space-constrained applications.

Electrical Characteristics:

To provide you with a better understanding of the BC817-40's electrical performance, please refer to the table below:

Applications:

The BC817-40 transistor finds applications in a wide range of electronic circuits, including:

1. Amplifiers: Use the BC817-40 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 BC817-40 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 BC817-40'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 BC817-40 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 BC817-40 NPN bipolar junction transistor is a compact and reliable component that delivers high performance in a wide range of electronic circuits. With its small form factor, high voltage capability, low noise, and fast switching speed, it is an excellent choice for amplification, switching, and signal processing tasks. Incorporate the BC817-40 into your designs to enhance performance and achieve optimal results.

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