It can drive high amount of current loads as compared to the other similar transistors i.e.

emitter base voltage is 12 times lesser than the voltage across the collector emitter junction.

From the above table you can see the voltage across collector base junction is almost double as compared to the voltage across collector emitter junction.

The current, power and voltage ratings for 2N 2222 transistor are shown in the table given below.

Pin configuration is shown in the figure below.

That was the description of the pins of the transistor.

The functions associated with each pin of 2N2222 along with the pin names are shown in the table given below.

2N2222 Pinout is shown in the figure below:.

2N 2222 has 3 pins in total, which are:.

The major functional area of 2N-2222 is enclosed in TO-18 package. It is most common in the market due to the cost efficiency and the smaller size.

It can be used for amplification of analog signals as well as switching applications. Introduction to 2N2222 2N2222 is the most common NPN bipolar junction transistor available in the market. Analog signal could be the voice signal having the analog frequency of almost 4kHz (human voice). While performing amplification applications, it receives an analog signal via collectors and another signal is applied at its base. Its applications may include amplification of analog signals as well as switching applications. Normally it is capable of switching a load current of 800mA which is really high rating as compared to other similar transistors. It is either made up of silicon or germanium material and doped with either positively or negatively charged material. One of its key features is its ability to handle the high values of currents as compared to the other similar small transistors. Due to the low cost and small size it is the most commonly used transistor. The major functional area of 2N2222 is enclosed in TO-18 package. I hope you have enjoyed the previous post on Introduction to ULN2003. switching and amplification of analog signals. 2N2222 can be used for different purposes e.g. Today, I am going to give you an Introduction to 2N2222. It is the most commonly used Negative-Positive-Negative (NPN) Bipolar Junction Transistor (BJT) available in the market now a days.

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