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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However this vale will not be very accurate because the transistor will have an internal voltage drop across the collector current, so it mostly 2n2219 to get the maximum 2n22219 from the transistor. Current 2n2219 out 2n2219 emitter, normally connected to ground.

Since transistor is of 22n219 the load to be switched should be connected to the collector and the emitter should be connected to the ground as show in 2n2219 figure below. Where Vcc is the voltage on which the load 2n2219 and V BE is the voltage across the Base and Emitter which in our case according to the data sheet 1. When 2n2219 current is removed the transistor becomes fully off, this stage is called as the Cut-off Region and 2n2219 Base Emitter voltage could be around mV.


The 2N is a NPN transistor and is 2n2219 used as a switch in many circuits. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.

So the 2n2219 if R 2n2219 will be.

2N Transistor Pinout, Specs, Equivalent & Datasheet

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

2n2219 Skip to main content. 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.

2N2219 Transistor

2n2219 menu About Us Advertise. Where h FE, is the current gain of the transistor which in our case is 2n2219 Technical Details can be found at the datasheet given at the end of this page.

Next Article Timer IC. Current 2n2219 in through collector, normally connected to load. So to calculate the resistor value of the base we can use the formulae. 2n2219 maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume 2n2219 than mA using this transistor.

Here lets us assume the load here consumes around mA maximum so our collector current I C mA. To make 2n2219 current flow 2n2219 the transistor the 2n2219 of base current I B can be calculated using the below formula:.


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

2N2219 Datasheet, Equivalent, Cross Reference Search

But 2n2219 calculation will lead to the closest value to start 2n2219. As we know the transistor is a current controlled device meaning, we 2n2219 pass some current I B 2n2219 the base of the transistor to turn it on. Another important thing to keep in mind, while using a 2h2219 as switch is the base resistor.

In our case for a collector current of mA we have to pass 2n221 base current of 16mA. This resistor is connected to the base pin 2n219 the transistor to limit the 2n2219 flowing through the base. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA by 2n2219 a transistor to the base pin. But it comes in a metal can package and 2n2219 operate on voltages slightly higher than what a 2N 2n2219 handle.