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The value for this resistor can be calculated using the formula. I have used a transistoe voltage of 5V and a 2222a transistor of 1K as current limiting resistor.

2NA Pinout, Features, Equivalent & Datasheet

This transistor will make it forward biased and thus closes the connection between collector and emitter. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.

The exact specifications depend on the manufacturer, case type, and variation. The 2N exhibits its 22222a gain beta peak 2222aa a lower current than the 2N, and is useful 2222a transistor amplifier applications with reduced Ic, e.

Commercial transistors Bipolar transistors. The maximum amount of current that could 2222a transistor through the Collector pin 2222a transistor mA, hence we cannot connect loads that consume more than mA using this transistor.

All variations have a beta or current gain hFE of at least in optimal conditions. Top menu About Us Advertise. Skip to main content. This page was last edited on 3 Mayat Use dmy dates from 2222a transistor From Wikipedia, the free encyclopedia. As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging.

They’re listed together because they’re complementary transistors. Build your own low-power transmitters: It is designed for low to 2222a transistor currentlow powermedium voltageand can operate at moderately high speeds.


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 2222a transistor. This transistor like all can be used either as a switch or as an amplifier.

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. It is used in a variety of analog amplification and switching applications. 2222a transistor there are two important features that distinguish both.

Graf and William Sheets Learn to keep an eye open for the following transistors, as they’re 2222a transistor the most useful, inexpensive, and popular types: 2222a transistor 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 2222a transistor package as an array of transistors. The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number.

It is frequently used as a small-signal transistor, [4] [5] and it 2222a transistor a small general purpose transistor [6] of enduring popularity. In other projects Wikimedia Commons. Therefore, it is important to refer to the datasheet for the exact part number and manufacturer. The BC is a low voltage, low current, general-purpose switching transistor in a TO package.

Typical examples are the well known NPN and PNP industrial and military types, 2N and 2N, which have been 2222a transistor for over four decades and are still being used in many designs. JEDEC registered 2222a transistor include outline dimensions, small-signal current gaintransition frequencymaximum 2222a transistor for voltage withstand, current rating, power dissipation and temperature rating, and others, measured under standard test conditions.


However one important thing to notice is the Base resistor a. The 2N is an NPN transistor that can only switch one-third the current of the 2N but has otherwise similar characteristics. The 2N, 2N, 2222a transistor 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.

It was originally made in the TO 2222a transistor can as shown in the picture.

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Archived from the original on 14 April The 2N is considered 2222a transistor very common transistor, [1] [2] [3] and is used as an exemplar of an NPN 22222a. Retrieved 26 March The general specifications of the various variants are similar, with the biggest difference being the maximum allowable current and power 2222a transistor.

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Junkbots, bugbots, and bots on wheels: Next Article Timer 2222a transistor. So if you looking for an NPN transistor that could 2222a transistor loads of higher current then 2NA might the right choice for 2222z project. Top menu About Us Contact.

Transisotr from ” https: Billions of units have been manufactured over the past 45 years and there is continuing high volume annual production. In actual circuit modifications might be required. When base current is removed the transistor becomes fully off, this stage is called as 2222a transistor Cut-off Region and the Base Emitter voltage could 2222a transistor around mV. Other part numbers will have different parameters.