MMBT3904

The MMBT3904 is a widely used NPN bipolar junction transistor (BJT) known for its versatility and reliability in electronic circuits. It is primarily utilized for general-purpose amplification and switching applications. Encased in a small SOT-23 surface-mount package, the MMBT3904 is ideal for space-constrained environments on printed circuit boards (PCBs).
Key specifications include a maximum collector current (Ic) of 200 mA, a maximum collector-emitter voltage (Vce) of 40 V, and a transition frequency (ft) of approximately 300 MHz. These characteristics make it suitable for moderate-speed signal processing.
The transistor's gain, denoted as hFE, typically ranges from 100 to 300, allowing for effective current amplification. The MMBT3904 operates efficiently within a wide temperature range, making it adaptable to various environmental conditions.
Its ease of integration and cost-effectiveness make the MMBT3904 popular in applications such as signal amplification, switching low to moderate power loads, and used in RF circuits. Overall, the MMBT3904 is a reliable component for both hobbyists and professionals in electronics design.

The MMBT3904 is an NPN bipolar junction transistor commonly used for switching and amplification. Its equivalent products include the 2N3904 BC547, BC548, and PN2222. These transistors share similar characteristics, such as voltage, current ratings, and gain, making them suitable substitutes in various applications. Always check specific circuit requirements and datasheets to ensure compatibility.

The MMBT3904 is a widely used NPN bipolar junction transistor (BJT) with several key features:
1. Voltage Rating: It typically has a collector-emitter voltage (V_CE) rating of 40V.
2. Current Rating: The maximum collector current (I_C) is generally around 200mA.
3. Power Dissipation: The device supports a power dissipation of approximately 300mW.
4. Package: It is commonly available in a SOT-23 surface-mount package, making it suitable for compact and high-density circuit designs.
5. Frequency: The transition frequency (f_T) is typically around 300 MHz, making it suitable for high-speed switching applications.
6. Gain: It provides a DC current gain (h_FE) range of about 100 to 300, ensuring good amplification.
7. Operating Temperature: The transistor can operate within a temperature range of -55°C to +150°C.
8. Applications: It is often used in switching and amplifying applications, signal processing, and RF circuits.
These features make the MMBT3904 versatile for use in both analog and digital circuits.

The MMBT3904 is a small signal NPN bipolar junction transistor commonly manufactured by several semiconductor companies. Some of the well-known manufacturers include ON Semiconductor, Fairchild Semiconductor (now part of ON Semiconductor), NXP Semiconductors, Diodes Incorporated, and STMicroelectronics, among others.
These companies are typically involved in the design and manufacture of semiconductors and electronic components. They produce a wide range of products including transistors, diodes, integrated circuits, and other components used in electronic devices. Such companies are characterized by their focus on innovation, research and development, and global distribution networks to serve various industries including consumer electronics, automotive, industrial, and telecommunications. They often provide parts that are essentials in circuits for switching and amplification purposes.

The MMBT3904 is a versatile NPN bipolar junction transistor commonly used in various electronic applications. Its key application areas include:
1. Switching Circuits: Ideal for low-power switching applications due to its fast switching speed.
2. Amplification: Used in signal amplification circuits, including audio and RF amplifiers.
3. Oscillators: Suitable for use in oscillator circuits for frequency generation.
4. Signal Processing: Employed in signal conditioning and filtering circuits.
5. General-Purpose Use: Commonly used in hobbyist and educational projects for experimenting with basic transistor functions.
Its compact size, reliability, and cost-effectiveness make it popular in both industrial and consumer electronics.

The MMBT3904 is a general-purpose NPN bipolar junction transistor that comes in a SOT-23 surface-mount package. This package type is compact and suitable for high-density applications, making the transistor ideal for use in small electronic devices.