*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information. It has a maximum collector current of 600mA and a maximum collector-emitter voltage of 40V. The base of the transistor is directly wired to the receiving antenna. In this circuit, the transistor works as an active component. Now press the push-button is pressed to switch on the transmitter. KSP2222A: This is another NPN bipolar junction transistor with a similar package and pinout as 2N3904. In this Field Strength Meter Circuit, first, apply the voltage, and set the meter to zero by adjusting the potentiometer in the circuit. PN2222A: This is another widely used general-purpose NPN bipolar junction transistor with a similar package and pinout as 2N3904. 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 The circuit is straightforward and simple to assemble utilizing just a single transistor MPF102 and a couple of different parts. MPF102: 270Kb / 8P: JFET VHF Amplifier ON Semiconductor: MPF102: 147Kb / 7P: JFET VHF Amplifier January, 2006 Rev. NPN Silicon Transistor (General small signal application) This is the circuit diagram of the FM, AM/MW, and SW antenna amplifier circuit or we can likewise say it antenna preamplifier circuit which can be utilized to expand the faint signals of FM, AM/MW, and SW groups.
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