11/27/2023 0 Comments 2n3904 pinout![]() 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 Lastly, it functions best at an operating and storage temperature of -55 – 150 degrees celsius.Furthermore, with a 625 milliwatt maximum collector dissipation and 300 MHz maximum Transition Frequency, the transistor has a 5 dB noise level.Thirdly, it has a 40V Collector-Emitter Voltage and a 6V maximum emitter-Base Voltage.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.
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