How to Find 2N2222 Transistors in Massachusetts

by | Nov 18, 2019 | Electronic Parts Supplier

Finding electrical components for a project or a repair can be somewhat complicated. That is because many of the parts stores that once existed have been shuttered. Now, finding components like 2N2222 transistors in Massachusetts often means going online to source and purchase the components. There are advantages and disadvantages to this process. The two main advantages are that the parts are easier to locate and often available in bulk. The main disadvantage is that they must be shipped to purchasers.

What Is a Transistor?

A transistor is a small semi-conductor electrical component. Transistors are used to switch, amplify, or dampen electronic signals. They are made of semiconductor materials and usually constructed in layers. They have terminals that allow them to be connected to a circuit. Different transistors perform different functions so the transistors are not all interchangeable.

What Is A 2N2222 Transistor?

A 2N2222 transistor is a bipolar junction transistor with a negative-positive-negative (NPN) configuration. If it used as an amplifier or a switch in low-power applications. It can be used with medium current and medium voltage, but up to high speeds.

The 2N2222 is a common transistor, often used as a general-purpose transistor in a variety of applications. However, because of its configuration, it is not suitable for PNP applications. For those applications, the 2N2907 is considered the equivalent PNP transistor.

Substitutes for the 2N2222 Transistor

The 2N2222 may act as a substitute for some other types of transistors, though the JDEC performance specifications will not be identical. It is important to realize these differences can result in performance differences.

Both the PN2222 and the P2N2222 are often used as replacements for the 2N2222 transistor and may even be preferable for some applications because they are available in less-expensive packaging. However, they have a lower maximum collector current rating, which may not make them suitable for all applications. Also, their connections are slightly different, which may mean altering the layout of a circuit board.

The BC548 may be a substitute but only works with low-voltage, low-current applications. The 2N3904 is a lower current capacity transistor. The 2N3904 works similarly but amplifies current more.

Not Sure Which Transistor is Needed?

Because the 2N2222 transistor is general use, many people assume they need 2N2222 transistors in Massachusetts. Contact us to be sure the right transistor is selected to get optimal performance.

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