2222A TRANSISTOR PDF

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Retrieved 26 March 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. The 2N is considered a very common transistor, [1] [2] [3] and is used as an exemplar of an NPN transistor.

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Views Read Edit View history. 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.

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.

It is designed for low to medium currentlow powermedium voltageand can operate at moderately high speeds.

Browse over 30, products, including Electronic Components, Computer Products. When I apply a transishor 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. All variations have a beta or current gain h fe of at least in optimal conditions. It was originally made in the TO metal can as shown in the picture.

Billions of units have been manufactured over the past 45 years and there is continuing high volume annual production. It is used in a variety of analog amplification and switching applications. Use dmy dates from July Commons category link is on Wikidata.

Single transistors are also 222a 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. High frequency and microwave engineering. By using this site, you agree to the Terms of Use and Privacy Policy. As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. This is the picture of the datasheet for the pins: It is frequently used as a small-signal transistor, [4] [5] and it remains a small general purpose transistor [6] of enduring popularity.

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When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. So if you looking for an NPN transistor transstor could switch loads of higher current then 2NA might the right choice for your project. High frequency and microwave engineering. Archived from the original on 14 April In other projects Wikimedia Commons.

You have to try each of the three pins to the two others, with both polarities 6 pairs of tests. Complete Technical Details transisfor be found at the 2NA datasheet given at the end of this page. Complete Technical Details can be found at the 2NA datasheet given at the end of this page. 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. The value for transisyor resistor can be calculated using the formula.

Submitted by webmaster on 11 December Junkbots, bugbots, and bots on wheels: They’re listed together because they’re complementary transistors. I have used a base voltage of 5V and a value of 1K as current limiting resistor.

It is used in a variety of analog amplification and switching applications. Billions of units have been manufactured over the past 45 years and there is continuing high volume annual production.

2222A TRANSISTOR PDF

The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number. Most 2Ns have transidtor orientation which your diagram shows, where if the flat side is facing you, the pins are E-B-C respectively. I have a simple circuit to send current to a brushless fan running at 12V on the high side, using a NPN transistor 2NA: This page was last edited on 25 Octoberat Note that the motor here draws about mA from the transistpr 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.

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Spehro Pefhany k 4 No transisgor pin will show that.

A TRANSISTOR PDF

Commercial transistors Bipolar transistors. This transistor will make it forward biased and thus closes the connection between collector and emitter. The 2N, 2N, and 2N devices, for example, which date back to the s but have been improved, are still useful in new designs and are still popular for experimenters.

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 trannsistor current. 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 transisror transistors. From Wikipedia, the free encyclopedia.

Replacements for the 2N are commonly available transsistor 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.

2NA Pinout, Features, Equivalent & Datasheet

Trransistor and William Sheets As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. Build your own low-power transmitters: This transistor like all can be used either as a switch or as an amplifier. All variations have a beta or current gain h fe of at least in optimal conditions. Home Questions Tags Users Unanswered.