2N2219 PDF

Bipolar (BJT) Transistor NPN 30V mA MHz mW Through Hole TO The 2N transistor is very much similar to the commonly used NPN transistor 2N, but it comes in a metal can package and can operate on voltages. 7 May Sep 2. Philips Semiconductors. Product specification. NPN switching transistors. 2N; 2NA. FEATURES. • High current (max.

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Where Vcc is the voltage 2n2129 which the load operates and V BE is the voltage across the Base and Emitter which in our case according to the data sheet 1. Current Drains out through emitter, normally connected to ground.

2N2219 NPN Transistor

However this vale will not be very accurate because the 2n2219 will have an internal voltage drop across the collector current, so it mostly experimental to get the maximum current from the transistor. Top menu About Us Contact.

So if you looking for an NPN transistor that could switch loads or for decent amplification then 2N might the right choice for your project.

Overall it is just another small signal n22219 which is commonly used in switching and amplifying circuits.

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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. But it comes in a metal can package and can operate on voltages slightly higher than what a 2N can handle. Next Article Timer 2n22199.

2N Datasheet, Equivalent, Cross Reference Search. Transistor Catalog

The value of this current can be calculated by the required amount of current that will be consumed by the load. 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 I B should be limited to 5mA by using a transistor to the base pin. This stage is called Saturation 2n2129.

This resistor is connected to the base pin of the transistor to limit the current flowing through the base. Here lets us assume the load here consumes around mA maximum so our collector current I C mA.

Top menu About Us Advertise. Current flows in through collector, normally connected to load. So to calculate the resistor value of the base we can use the formulae.

But this calculation will lead to the closest value to start with. Complete Technical Details can be found at the datasheet given at the end of this page. Since transistor is of NPN the load to be switched should be connected to the collector and the emitter should be connected to the ground as show in the figure below.

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So the value if R B will be. 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. Skip to main content. To make this current flow through the transistor the value of base current I B can be calculated using the below formula:.

The 2N is a NPN transistor and is normally used as a switch in many circuits. In our case for a collector current of mA we have to pass a base current of 16mA. Where h FE, is the current gain of the transistor which in our case is As we know the transistor is a current controlled device meaning, we have pass some current I B thorough the base of the transistor to turn it on.

Another important thing to keep in mind, while using a transistor as switch is the base resistor.