![]() Identify the pinout: The transistor has three pins: emitter, base, and collector. How to use: To use the 2N3904 transistor in your circuit, follow these steps:ġ. Voltage Regulators: The transistor can be used in voltage regulator circuits to control the output voltage of a power supply. Oscillators: The transistor can also be used to create oscillators that generate high-frequency signals.Ĥ. Switching: The 2N3904 is often used as a switch to turn on or off devices such as motors, relays, and LEDs.ģ. ![]() Amplification: The transistor is commonly used as an amplifier in audio and radio frequency (RF) circuits.Ģ. Maximum Collector-Emitter Voltage: 40VĪpplications: The 2N3904 transistor is used in a wide range of electronic circuits due to its versatility. Specifications: The 2N3904 transistor has several specifications that are important to consider when designing a circuit:ġ. Low Cost: The 2N3904 is inexpensive and readily available, making it a popular choice for hobbyists and professionals alike. Fast Switching Speed: The transistor has a fast switching speed, making it ideal for use in switching applications.ĥ. High Current Gain: The 2N3904 has a high current gain, which makes it suitable for driving loads such as relays and lamps.Ĥ. Low Noise: The transistor has a low noise figure, which makes it useful in low-level signal amplification applications.ģ. High Voltage Gain: The 2N3904 has a high voltage gain, which makes it suitable for use in amplification circuits.Ģ. In this ultimate guide, we will cover everything you need to know about the 2N3904 transistor, including its features, specifications, applications, manufacturers, and how to use it in your circuits.įeatures: The 2N3904 transistor has several key features that make it popular among engineers:ġ. It was introduced by Motorola in the 1960s and has since become one of the most widely used transistors due to its versatility, low cost, and availability. Introduction: The 2N3904 is a popular NPN bipolar junction transistor (BJT) that is commonly used as a general-purpose amplifier and switch in electronic circuits. 2N3904 NPN Bipolar Transistors Ultimate Guide
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