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Symbol. Parameter. Value. Unit. VCBO. Collector-Emitter Voltage (IE = 0). V. VCEO. Collector-Emitter Voltage (IB = 0). V. VEBO. Emitter-Base Voltage (IC. A. NPN Epitaxial Silicon Transistor. Absolute Maximum Ratings Ta=25°C unless otherwise noted. Electrical Characteristics Ta=25°C unless otherwise. 1 Aug Datasheet contains the design specifications for product development. Datasheet contains preliminary data; supplementary data will be.

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Replacements for the 2N are 2222a datasheet 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.

ST Microelectronics

This transistor will make it forward biased and thus closes the connection between collector and emitter. Billions of units have been manufactured over the past 45 years and there is continuing high volume annual 2222a datasheet. Therefore, it is important to refer to the datasheet for the exact part number and manufacturer. 2222a datasheet

The exact specifications depend on the manufacturer, case type, dqtasheet variation. This page was last 2222a datasheet on 3 Mayat Junkbots, bugbots, and bots on wheels: Wikimedia Commons has media related to 2N 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 2222a datasheet.

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It was 22222a made in the TO metal can as shown in the picture. It is frequently 2222a datasheet as a small-signal transistor, [4] [5] and it remains a small general purpose transistor [6] of 2222a datasheet popularity. From Wikipedia, the free encyclopedia. Learn to keep an eye open for the following transistors, as they’re among the most useful, inexpensive, and popular types: I have used a base voltage of 2222a datasheet and a value of 1K as current limiting resistor.

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The 2N exhibits its forward gain beta peak at a lower 2222s than the 2N, and is useful in amplifier applications with reduced Ic, e. Other part numbers will have different parameters. Build your own low-power transmitters: The Base-Emitter voltage of this transistor is 6V so you 2222a datasheet have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor. When base current is removed the 2222a datasheet becomes fully off, this stage is called as the Cut-off 2222a datasheet and the 2222a datasheet Emitter voltage could be around mV.

To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.

Top menu About Us Advertise. Retrieved 26 March It is designed for low to medium currentlow power2222a datasheet voltageand can operate at moderately high speeds.

In actual circuit modifications might be required. The value for this resistor can be calculated using the formula. Skip to main content. But there are two important 2222a datasheet that distinguish both. All variations have a beta or current gain hFE of at least in 2222a datasheet conditions.

ST Microelectronics – datasheet pdf

When this transistor is fully biased 2222a datasheet it can allow a 2222a datasheet of mA to flow across the collector and emitter. Typical examples are the well known NPN 22222a 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, 2N, and 2N devices, for example, which date back 2222a datasheet the s but have been improved, are still useful in new designs and are still popular for experimenters. Complete Technical Details can be found at the 2NA 2222a datasheet datahseet at the end of this page.

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They’re listed together because they’re complementary transistors. Since its initial product launch by Motorola at the IRE Convention, the 2N has become the most widely 2222a datasheet and universally recognized transistor of all time.

As the name suggests this resistor will limit the current flowing through the transistor to prevent 2222a datasheet from damaging. Graf and William Sheets The BC is a low voltage, low current, general-purpose switching transistor in a TO package. Retrieved from ” https: Archived from the original 2222a datasheet 14 April 2222a datasheet 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.

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