Free devices maximum ratings ta 25c unless otherwise noted characteristic symbol value unit collector. The 2n2222a is a slight bit better in terms of vceo, vcbo, vebo. Philips npn switching transistors,alldatasheet, datasheet, datasheet search site for. Find great deals on ebay for 2n2222 transistor and 2n2222a transistor. As complementary type the pnp transistor st 2n2907 and st. Input impedance for a 2n2222a npn transistor all about. Npn general purpose amplifier switch requiring collector currents up to 500ma. The 2n2222 transistor is subdivided into one group according to its dc current gain.
The 2n2222 part is the older style part which might be the reason they are being offered at a low price. P2n2222a amplifier transistors npn silicon features these are pb. You should be able to substitute the former for the latter in any circuit but not necessarily vice versa. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications. In case youre curious about which to use, or which one is better or superior than the other, in this article, we compare and contrast the 2 transistors. But if you are not planning on stressing the part higher voltages, etc both will work well, especially for simple switching and logic circuits. Philips npn switching transistors,alldatasheet, datasheet, datasheet search site for electronic. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market. The central semiconductor 2n2221a, 2n2222a types are silicon npn planar epitaxial transistors designed for small signal general purpose and switching applications. Transistor 2n2222, 2n2222a, 2n2907 datasheet and application. Anyone know is there any difference between mps2222a, ksp2222a and 2n2222a. On special request, these transistors can be manufactured in different pin configurations. It is designed for low to medium current, low power, medium voltage, and can. The transistor 2n2222 or 2n2222a are npn types and has the.
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