Adafruit
NPN Bipolar Transistors (PN2222) - 10 pack
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Transistors are powerful little electronic switches, and we really like these NPN transistors whenever we need to control medium-power electronics such as sm...
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Transistors are powerful little electronic switches, and we really like these NPN transistors whenever we need to control medium-power electronics such as small motors, solenoids, or IR LEDs. We find them so handy, they come in a pack of 10!
Each transistor is a general purpose amplifier, model PN2222 (same pinout as the 2N3904) and has a standard EBC pinout. They can switch up to 40V at peak currents of 1A (not continuously, just peak!), with a DC gain of about 100. They're basically your garden-variety NPN, and do the job with class! For more details, check the datasheet.
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
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