2N3904 has a gain value of 300 this value determines the amplification capacity of the transistor. It is designed for low current and power, medium voltage, and can operate at moderately high speeds.ĢN3904 is a NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at ground and will be closed (Forward biased) when a signal is provided to base pin. The 2N3904 is a common NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications. Circuit 8: The non-inverting circuit uses a pair of complementary NPN type ( 2N3904) and PNP type (2N3906) transistors.
2n 3904 b331 how to#
It has a maximum collector current of 100mA and a maximum collector-emitter voltage of 30V. It has similar electrical characteristics, including a maximum collector current of 100mA and a maximum collector-emitter voltage of 45V, making it a possible drop-in replacement in certain applications.īC548: This is another general-purpose NPN bipolar junction transistor with a similar package and pinout as 2N3904. Here are a few possible replacements for 2N3904:īC547: This is a general-purpose NPN bipolar junction transistor with a similar package and pinout as 2N3904. It has a maximum collector current of 200mA and a maximum collector-emitter voltage of 40V.
Its small size and wide range of applications make it an essential component in many electronic circuits.ĢN3904 is a widely used general-purpose NPN bipolar junction transistor that is commonly used in amplification and switching applications.
Overall, the 2N3904 is a widely used transistor due to its low cost, availability, and versatility. Its high transition frequency makes it suitable for use in high-frequency applications, while its low input and output capacitances make it ideal for use in circuits where fast switching is required. The 2N3904 can be used in a variety of electronic circuits, such as amplifiers, switch drivers, and general-purpose switching applications. Some of the technical specifications of the 2N3904 are:Ĭollector-Emitter Saturation Voltage: 0.2V It is a small signal transistor with a maximum collector current of 200 mA and a maximum collector-emitter voltage of 40 V. NPN silicon epitaxial planar transistor for switching and Amplifier applicationsĢN3904 is a commonly used NPN bipolar junction transistor (BJT) in electronic circuits for amplification and switching applications. NPN SILICON PLANAR EPITAXIAL SWITCHING TRANSISTORS NPN Silicon Transistor (General small signal application)
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