2222A TRANSISTOR DATASHEET PDF

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. To bias a transistor we have to supply current to base pin, this current IB should be limited to 5mA. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. 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. But there are two important features that distinguish both. So if you looking for an NPN transistor that could switch loads of higher current then 2NA might the right choice for your project.

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Jukasa Most 2Ns have the orientation which your diagram shows, where if the flat side is facing you, the pins are E-B-C respectively. The resistor R2 is used to limit the current though the collector of the transistor ratasheet is not mandatory. Home Questions Tags Users Unanswered. The base will show a diode connection to both other pins, in only one polarity. In other projects Wikimedia Commons. Therefore, it is important to refer to the datasheet for the exact part number and manufacturer.

In this type of circuit, the Emitter and the Base pin of the transistor should be commonly a2 to a same voltage, so we have connected it to the Ground potential using two resistors R4 and R3.

The vales of the Resistor in the above image are only fatasheet reference and are not accurate. Again the values of the resistor mentioned above are only for reference commonly used you have to design your own circuit based on the application and transistor you are using.

Submitted by webmaster on 11 December 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: 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. 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 transiistor around mV. It is used in a variety of analog amplification and switching applications. The hFE is usually much higher when properly connected than when collector and emitter are swapped.

When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region. Applications Can be used to switch high current upto mA loads It ttansistor also be used in the various switching applications.

Applications General purpose NPN transistor Can be used to switch high current upto mA loads It can also be used in the various switching applications. Archived from the original on 14 April Would I reuse it? Transistor datadheet Amplifier Another Common application of a Transistor is as amplifiers.

Datasgeet 2N is an NPN transistor that can only switch one-third the current of the 2N but has otherwise similar characteristics. Transistor Catalog How to use 2NA 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. TL — Programmable Reference Voltage.

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