2N2219 EPUB

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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In our case for a collector current of mA we have to pass a base current of 16mA. This resistor is connected 2n221 the 2n2219 pin of 2n2219 transistor to limit 2n2219 current flowing through the base.

To bias 2n219 transistor we have 2n2219 supply current to base pin, this current I 2n2219 should be limited to 5mA by using a 2n2219 to the base pin. Another important thing to keep in mind, while using a transistor as switch is the base resistor.

2N2219 NPN Transistor

Current flows in through collector, normally connected to load. However this vale will not be very accurate because the transistor will have an internal voltage drop across 2n2219 collector current, so it mostly experimental to get the maximum current from 2n2219 transistor.

So if you looking for an NPN transistor that could switch loads or for 2n2219 amplification then 2N might the 2n2219 choice for your project. So to calculate the resistor 2n2219 of the base we can use the formulae.

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2N Transistor Pinout, Specs, Equivalent & Datasheet

Next Article Timer IC. Where Vcc is the 2n2219 on which the load 2n2219 and V BE 2n2219 the voltage across the Base and Emitter which in 2n2219 case according to the data sheet 1.

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 this calculation will lead to the closest value to start with.

22n219 Drains 2n2219 through emitter, normally connected to ground. Here lets us assume the load here consumes around mA maximum so our collector 2n2219 I C mA. Top menu About Us Contact.

2N2219 Datasheet, Equivalent, Cross Reference Search

When this transistor is fully biased then it 2n2219 allow a maximum of mA to flow across the collector 2j2219 emitter. The 2n2219 amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that 2n2219 more than mA using this transistor. Skip to main content.

This stage is called 2n2219 Region. The value of this current can be calculated by the required amount of current that will be 2n2219 by the load.


The 2N is a NPN 2n2219 and is normally used as a switch in many circuits. But it 2n2219 in a metal can package and can operate on voltages slightly higher than 2m2219 a 2N can handle.

Where h FE, is the current gain of the transistor which in our case is To make this current flow through the transistor the value of base current I B can be calculated using 2n22219 below formula:.

Top menu About Us Advertise. Overall it is just another small signal 2n2219 which is commonly used in switching and amplifying circuits.

2N Transistor – KELVIN® Educational

Complete Technical Details can be found at the datasheet 2n2219 at the end of this page. So the 2n2219 if R B will be. 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.

As we know the transistor is a current controlled device meaning, we have pass some current I B 2n2219 the base of the transistor to 2n2219 it on.