2N Preferred Device. General Purpose. Transistors. NPN Silicon. Features. • Pb−Free dimensions section on page 2 of this data sheet. ORDERING. According to the datasheet 2N is a general purpose NPN switching transistor that features high currents (up to mA) and low voltages up to 40V. It. N is a NPN transistor with a gain value of and the maximum amount of current that could flow through the Collector pin is mA.

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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.

When base current is removed the transistor becomes fully off, this stage is called as daatsheet Cut-off Region and the Base Emitter voltage could be around mV.

2N4401 Datasheet, Equivalent, Cross Reference Search

As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. I have used a base voltage of 5V and a value of 1K as datasheey limiting resistor.


In actual circuit datashset might be required. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. This transistor like all can be used either as a switch or as an amplifier.

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

The value for this resistor can be calculated using the formula. Applications Can be used to switch high current upto mA loads It can also 24401 used in the various switching applications. The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor. Complete Technical Details can be found in 2N datasheet attached in the bottom of the page.

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. How to use 2N Transistor This transistor like all can be used either as a switch or as an amplifier.


Note that the motor here draws about mA from the 12V power source, since the 2N has collector current rating upto mA this circuit is possible had it been a BC the transistor should have been burnt. Submitted by admin on 30 May This transistor will make datasehet forward biased and thus closes the connection between collector and emitter. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.

To make things simple I have shown a simplified circuit to make a transistor as switch.

TL — Programmable Reference Voltage. But there are two important features that differentiate the 2N and 2N However one important thing to notice is the Base resistor a.