2N3904BU

The 2N3904BU is a specific version of the 2N3904, a widely-used NPN bipolar junction transistor (BJT). Renowned for its versatility, it is commonly employed in low-power amplifying and switching applications. The transistor features a maximum current rating of 200 mA and a voltage rating of 40 V, making it suitable for various general-purpose tasks.
Key characteristics include its high-speed switching capability and relatively low noise output, which are advantageous in electronic circuits. The TO-92 package is typically used for this transistor type, providing a compact form factor that is easy to handle and integrate into circuit designs.
The "BU" designation may refer to a specific batch or manufacturer variation, but it generally retains the core functional aspects of the standard 2N3904. When using this transistor, ensure proper biasing and thermal management to avoid exceeding its maximum ratings, which could lead to failure. Overall, the 2N3904BU is valued for its reliability and efficiency in a range of electronic applications.

The 2N3904BU is a popular NPN bipolar junction transistor known for its general-purpose applications. Key features include:
1. NPN Polarity: Suitable for amplification and switching applications in electronic circuits.
2. Voltage Ratings: It has a collector-emitter voltage (V_CE) of 40V and a collector-base voltage (V_CB) of 60V.
3. Current Ratings: The maximum collector current (I_C) is 200mA, making it suitable for low-power applications.
4. Power Dissipation: The power dissipation is typically around 625mW, allowing for moderate power handling.
5. High-Speed Switching: With a transition frequency (f_T) of about 300 MHz, it is capable of high-speed switching.
6. Gain: It has a DC current gain (h_FE) range of 100 to 300, providing decent amplification.
7. Package Type: Typically available in a TO-92 package, which is suitable for through-hole mounting.
8. Temperature Range: Operates efficiently across a wide temperature range, making it versatile for various environments.
These features make the 2N3904BU a versatile and widely used transistor in hobbyist projects, educational purposes, and various electronic designs.

The 2N3904BU is a variant of the standard 2N3904 NPN bipolar junction transistor. The "BU" suffix typically indicates a bulk packaging option for the transistor, but in terms of physical package type, the 2N3904 itself is usually available in a TO-92 package.

The 2N3904BU is a standard NPN bipolar junction transistor. It typically comes in a TO-92 package with three pins. The pin count and functions are as follows:
1. Pin 1 (Emitter): This pin connects to the emitter of the transistor and is usually the pin through which the current leaves the transistor.
2. Pin 2 (Base): This is the control pin that modulates the transistor's operation. A small current or voltage applied to the base controls the larger current flowing between the collector and emitter.
3. Pin 3 (Collector): This is the output pin through which the main current flows. It connects to the collector of the transistor.
The 2N3904 is commonly used in switching and amplification applications due to its moderate current and voltage ratings. It is suitable for low-power applications and is popular in educational and hobbyist circuits.

The 2N3904BU is manufactured by ON Semiconductor, now known as onsemi. onsemi is a leading semiconductor company that designs, manufactures, and supplies a wide range of semiconductor components, including integrated circuits and discrete devices. The company focuses on power and signal management solutions across various industries such as automotive, industrial, communications, computing, and consumer electronics. Known for its emphasis on energy-efficient products and sustainable practices, onsemi plays a crucial role in enabling electronics that help reduce global energy use.

The 2N3904BU is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications. It is suitable for low-power electronic circuits and can be used in audio amplifiers, signal processing, and radio frequency applications. Additionally, it is often implemented in digital switching circuits, sensor interfacing, and as a driver for relays and LEDs due to its fast switching speed and low power consumption.

The 2N3904BU is an NPN bipolar junction transistor. Equivalent products include the 2N2222, BC547, and PN2222, among others. These transistors are generally used for similar low-power amplification and switching applications. However, always check the specific parameters like voltage, current, gain, and packaging to ensure compatibility in your application.