Bipolar (BJT) Transistor NPN 30V mA MHz mW Through Hole TO 7 May File under Discrete Semiconductors, SC Sep DISCRETE SEMICONDUCTORS. 2N; 2NA. NPN switching transistors. A. Ptot. Total Power Dissipation at Tamb ≤ 25 °C for 2N and 2N for 2N and 2N at Tc as e ≤ 25 °C for 2N and 2N for 2N and.

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But it comes 2n2219 a metal can package and can operate on voltages slightly higher than what 2n2219 2N can handle. 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. The value of this current can be calculated by the required amount of current that will be consumed by 2n2219 load.

Top menu About Us Contact. Here lets us assume the load here consumes around mA maximum 2n2219 our collector current I C mA.

Since transistor is of NPN the load to be switched should be connected to the collector and the emitter should be 2n2219 to the ground as show in the figure below. But this calculation will lead to the closest value 2n2219 start with. So 2n2219 calculate the resistor value of the 2n2219 we can use the formulae.

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To bias a transistor 2n2219 have to supply current to 2n2219 pin, this current I B should be limited to 5mA by using a transistor to the base 2b2219. 2n2219 2N is a NPN transistor and is normally used as a switch in many circuits.

Where h FE, 2n2291 2n2219 current gain 2n2219 the transistor which in our case is Next Article Timer IC. So if you looking for an NPN transistor that could switch loads or for decent amplification then 2N might the 2n2219 choice for your project.

To make this 2n2219 flow through the transistor the value of base current I 2n2219 can be calculated using the below formula:. Where Vcc is the voltage on which the load operates and V BE 2m2219 the voltage across the Base and Emitter which in our case according to the data sheet 1.

Current 22n219 in through collector, normally connected to 2n2219. Current Drains out through emitter, normally connected to ground. Overall it is just another 2n2219 signal transistor which is commonly used in switching and amplifying circuits. In our case for a collector current of mA we have to pass a base current of 16mA.

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Skip to main content. This stage is called Saturation Region. Complete Technical Details can be found at the datasheet given at the end of 2n2219 page. Top menu 2n2219 Us Advertise.

This resistor is connected to the base pin of 2n2219 transistor to limit the current flowing through the base.

2N Transistor Pinout, Specs, Equivalent & Datasheet

However this vale will not be very accurate because the transistor will have an 2n2219 voltage drop across the collector current, 2nn2219 it mostly experimental to get the maximum 2n2219 from the 2n2219.

The maximum amount of current that could 2n2219 through the Collector pin is mA, hence we cannot connect loads that consume more 2n2219 mA using this transistor.

When base 2j2219 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.

When this transistor is fully biased 2n2219 it can allow a maximum of mA to flow across the 2n2219 and emitter. So the value if R B will be.