2N3904 NPN Transistor 40V/0.2A

The 2N3904 is a small signal NPN transistor that is widely used in electronic circuits. 2N3904 NPN Transistor is a complementary transistor to the 2N3906 PNP transistor. The 2N3904 NPN transistor is a versatile and inexpensive transistor that can use in a wide variety of electronic circuits. It is a popular choice for hobbyists and engineers alike.

The 2N3904 Transistor has a typical current gain of 100, which means that for every 1 mA of current applied to the base, 100 mA of current can flow through the collector. The 2N3904 NPN Transistor can also handle a maximum collector current of 200 mA and a maximum collector-emitter voltage of 40 V.

The operating voltage of the 2N3904 transistor is the range of voltages that the transistor can safely operate within. The maximum collector-emitter voltage (VCEO) is 40 V, which means that the voltage difference between the collector and emitter pins should not exceed 40 V. The maximum base-emitter voltage (VBE) is 6 V, which means that the voltage difference between the base and emitter pins should not exceed 6 V.

The 2N3904 NPN transistor works by controlling the flow of current between its collector and emitter terminals using a small current applied to its base terminal. The 2N3904 Transistor can also handle a maximum collector current of 200 mA. 

The NPN Transistor 2N3904 can use in a variety of applications, such as switching circuits, amplifiers, and oscillators. In a switching circuit, the 2N3904 transistor can use to turn a load on and off by controlling the flow of current through the transistor.

Salient Features : –

The 2N3904 Transistor can use to amplify a signal by increasing the amplitude of the signal. In an oscillator, the 2N3904 NPN Transistor can use to generate a repeating waveform, such as a square wave or sine wave.

The 2N3904 Transistor is relatively easy to use, making it a good choice for beginners. 2N3904 NPN Transistor can use in a wide variety of applications, including switching circuits, amplifiers, oscillators, logic gates, and comparators. The 2N3904 transistor has a number of benefits, including:

• Versatility
• Inexpensive
• Easy to use
• Reliable
• Low saturation voltage
• High current gain
• Fast switching speed
• Low noise

2N3904 NPN Transistor Specifications : –

The 3904 Transistor has a fast switching speed, which makes it suitable for use in high-frequency applications. The 2N3904 Transistor generates relatively low noise, making it suitable for use in sensitive applications.

The 3904 has a low saturation voltage, which means that it can be used to switch high currents with relatively low power dissipation. 3904 NPN Transistor has a high current gain, which means that a small current applied to the base can control a large current flow between the collector and emitter terminals. The 2N3904 transistor has the following specifications:

• Collector-emitter voltage (VCEO): 40 V
• Base-emitter voltage (VBE): 0.6 V to 0.7 V
• Collector current (IC): 200 mA maximum
• Current gain (hFE): 100 typical to 300 maximum
• Transition frequency (fT): 300 MHz
• Power dissipation (Pd): 625 mW maximum

2N3904 NPN Transistor Pin Descriptions : –

The 2N3904 can use to compare two voltages and generate an output signal if the two voltages are not equal. Transistor 2N3904 is a small signal transistor, which means that it is design for low current and voltage applications. However, it can still use to switch high currents with relatively low power dissipation. The 2N3904 transistor has three pins: base, collector, and emitter.

• Base (B): The base pin is use to control the flow of current between the collector and emitter pins.
• Collector (C): The collector pin is connect to the load that the transistor is controlling.
• Emitter (E): The emitter pin is connect to ground.

2N3904 NPN Transistor Applications : –

The 2N3904 NPN transistor is a versatile and reliable transistor that can use in a wide variety of electronic circuits. 2N3904 Transistor is relatively inexpensive and easy to use. By understanding the basics of how the 2N3904 transistor works, you can use it to create a variety of useful circuits. Here are some examples of where the 2N3904 transistor is commonly used:

• Switching circuits
• Amplifiers
• Oscillators
• Logic gates
• Comparators

Package : –

1 x 2N3904 Transistor

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