2222A TRANSISTOR PDF
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To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. The BC is a low voltage, low current, general-purpose switching transistor in a TO package.
The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor.
Retrieved 26 March Submitted by webmaster on 11 December Since its initial product launch by Motorola at the IRE Convention, the 2N has become the most widely used and universally recognized transistor of all time. Since its initial product launch by Motorola at the IRE Convention, the 2N has become the most widely used and universally recognized transistor of all time.
2222A TRANSISTOR PDF
Wikimedia Commons has media related to 2N Applications Can be used trannsistor switch high current upto mA loads It can also be used in the various switching applications.
It is used in a variety of analog amplification and switching applications. All variations have a beta or current gain h fe transstor at least in optimal conditions. Single transistors are also available in several different surface mount packages, and a number of manufacturers market surface mount packages that incorporate several 2Ntype transistors in one package as an array of transistors.
Commercial transistors Bipolar transistors. Replacements for the 2N are commonly available now in the cheaper TO packaging, where teansistor is known as the PN or P2N, which has similar specifications except for the lower maximum collector current.
As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging.
However one important thing to notice is the Base resistor a. The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor. Complete Technical Details can be found at the 2NA datasheet given at the end of this page.
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The 2N is considered a very common transistor,    and is used as an exemplar of an NPN transistor. I have used a base voltage of 5V and a value of 1K as current limiting resistor. In actual circuit modifications might be required. It is frequently used as a small-signal transistor,   and it remains a small general purpose transistor  of enduring popularity.
Typical examples are the well known NPN and PNP industrial and military types, 2N and 2N, which have been used for over four decades and are still being used in many designs. Graf and William Sheets In other projects Wikimedia Commons. As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. Complete Technical Details can be found at the 2NA datasheet given at the end of this page. Replacements for the 2N are commonly available now in the cheaper TO packaging, where it is known as the PN or P2N, which has similar specifications except for the lower maximum collector current.
Looking for a transistor? From Wikipedia, the free encyclopedia.
Note that the motor here draws about mA from the 12V power source, since the 2N has collector current rating upto mA this circuit is possible had it been a BC the transistor should have been burnt. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.
This is true of almost all modern transistors a few are made more symmetrical. The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor.
A TRANSISTOR PDF
Find it and more at Jameco Electronics. All variations have a beta or current gain h fe of at least in optimal conditions.
When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region and the Base Emitter voltage could be around mV. This transistor like all can be used either as a switch or as an amplifier.
When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. Use dmy dates from July Commons category link is on Wikidata.
So if you looking for an NPN transistor that could switch loads of higher current then 2NA might the right choice for your project.
Retrieved from ” https: Archived from the original on 14 April The general specifications of the various variants are similar, with the biggest difference being the maximum allowable current and power dissipation. When I apply a voltage between the pin 1 to 3, as soon as the voltage rises over about 8V, the current starts to flow, transostor when the base has no voltage pulled down or floatingand the transistors gets pretty hot.
The 2N exhibits its forward gain beta peak at a lower current than the 2N, and is useful in amplifier applications with reduced I ce.
What do you think? Views Read Edit View history. They’re listed together because they’re complementary transistors. Build your own low-power transmitters: TL — Programmable Reference Voltage. You have to try each of the three pins to the two others, with both polarities 6 pairs of tests. Therefore, it is important to refer to the tgansistor for the tarnsistor part number and manufacturer.