DATASHEET 2N4401 PDF

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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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I have used a base voltage of 5V and a value of 1K as current limiting resistor. This transistor will make it forward biased and thus closes the connection between collector and emitter. This transistor like all can be used either as a switch or as an amplifier.

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

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. The value for this resistor can be calculated using the formula. In actual circuit modifications might be required.

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To make things simple I have shown a simplified circuit to make a transistor as switch. The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of dafasheet transistor to induce a base current into the transistor. Submitted by admin on 30 May 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.

TL — Programmable Reference Voltage.

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. Complete Technical Details can be found in 2N datasheet attached in the bottom of the page.

2N Transistor Pinout, Features, Equivalent, Details & Datasheet

But there are two important features that differentiate the 2N and 2N 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.

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However one important thing to notice is the Base resistor a. Applications Can be used to switch high current upto mA loads It can also be used in the various switching applications. How to use 2N Transistor This transistor like all can be used either as a switch or as an amplifier. As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging.

When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.