The module is helpful in the following applications. Lastly, the formula below indicates calculating the transistor’s DC gain when it functions as an amplifier.Ĭurrent Gain = Collector Current ÷ Base Current. The standard emitter amp is the most common of the three listed above. Besides, three main amplifier circuit configurations are as follows: As an amplifier, it can be a power amplifier, voltage amplifier, or current amplifier. The transistor will operate as an Amplifier when it functions in the active region. RB= VBE ÷ IB, whereby RB is the resistor value, VBE is the base pin voltage (5V), and IB is the emitter current. The following formula is handy in deducing the correct resistor value that you should use: Therefore, connecting a resistor in series with the transistor’s base pin is imperative. The maximum biasing current for these functions is 5mA, and supplying a higher current than this will destroy the power transistors. Thus, in forwarding transistor bias, the transistor is an open switch, while in reverse discrimination, it’s a closed switch.
When operating as a switching, the transistor will function in the Saturation and Cut-Off Region. But primarily, you can use it either as each of the following: 2n3904 pins-As a switch The 2N3904 is useful in an extensive range of applications. 2N3904-based electronics projectsįig 3: Power transistors on the black surface
Also, it features a DC Current Gain (hFE) of 40 to 300 and a 200mA maximum collector current.First, it is an NPN bipolar junction transistor in a TO-92 package type.Finally, It has a collector pin / Pin 3 via which electric current drains out of the transistor.įig 2: 3D Rendering of TO-92 package on white surface.It’s imperative in biasing control of the transistor. Also, we have Pin 2, which operates as the existing base pin.Pin 1 is the emitter pin via which emitter voltage/ current leaves the transistor.What are 2n3904 pins?ĢN3906 transistors have three pains whose functions are as follows:
Join us as we elaborate on 2n3904 pins, electronic applications, and other details of the 2N3906 transistor. It is prevalent in many hobbyist projects for electronic functions like amplification and switching. The 2n3904 ranks among the popular transistors that you’ll find in electronic components.
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