DATASHEET 2N4401 PDF

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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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.

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.

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

Complete Technical Details can be found in 2N datasheet attached in the bottom of the page. To make things simple I have shown a simplified circuit to make a transistor as switch. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. This ddatasheet will make it forward biased and thus closes the connection between collector and emitter.

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2N4401 Datasheet, Equivalent, Cross Reference Search

The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base datadheet emitter of the transistor to induce a base current into the transistor.

As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. How to use 2N Transistor This transistor like all can be used either as a switch or as datasheeet 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.

This transistor like all can be used either as a 2h4401 or as an amplifier. I have used a base voltage of 5V and a value of 1K as current limiting resistor.

Submitted by admin on 30 May However one important thing to notice is the Base resistor a. But there are two important features that differentiate the datasneet and 2N The value for this resistor can be calculated using the formula. TL — Programmable Reference Voltage.

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In actual circuit modifications might be required. 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 mA using this transistor.

Applications Can be used to switch high current upto mA loads It can also be used in the various switching applications.