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2N2219 TRANSISTOR DATASHEET PDF

2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics. 2N Silicon NPN Transistor. Data Sheet. Description. Semicoa Semiconductors offers: • Screening and processing per MIL-PRF Appendix E. DATA SHEET NPN switching transistor in a TO metal package. collector- emitter voltage open base. 2N −. V. 2NA. −.

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2N2219 Datasheet, Equivalent, Cross Reference Search

However this vale will not be very accurate because the transistor will have an internal voltage drop across the collector current, so it mostly experimental to get the maximum current from the transistor. TL — Programmable Reference Voltage.

The 2N is a NPN transistor and is normally used as a switch in many circuits. Current Drains out through trahsistor, normally connected to ground. Submitted by admin on 21 June 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.

So to calculate the resistor value of the base we can use the formulae. Complete Technical Details datashet be found at the datasheet given at the end of this page. This resistor is connected to the base pin of the transistor to limit the current flowing through the base.

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Amplifier modules like Audio amplifiers, signal Amplifier etc. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.

The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than datashewt using this transistor. But it comes in a metal can package and can operate on voltages slightly higher than what a 2N can handle. So the value if R B will be. This stage is called Saturation Region.

But this calculation will lead to the closest value to start with. To bias a transistor we have to supply current to base pin, this current I B should be limited to transistorr by using a transistor to the base pin. 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.

The value of this current can be calculated by the required amount of current that will be consumed vatasheet the load. Overall it is transsitor another small signal transistor which is commonly used in switching and amplifying circuits.

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. Current flows in through collector, normally connected to load.

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2N Transistor Pinout, Specs, Equivalent & Datasheet

To make this current flow through the transistor the value of base current I B can be calculated using the below formula:. 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.

Here lets us assume the load here consumes around mA maximum so our collector current I C mA. Where h FE, is the current gain of the transistor which in our case is Another important thing to keep in mind, while using a transistor as switch is the base resistor. Where Vcc is the voltage on 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.

In our case for a collector current of mA we have to pass a base current of 16mA. To make this current flow through the transistor the value of base current I B can be calculated using the below formula: