2N4014 Allicdata Electronics
Allicdata Part #:

2N4014-ND

Manufacturer Part#:

2N4014

Price: $ 1.89
Product Category:

Discrete Semiconductor Products

Manufacturer: Central Semiconductor Corp
Short Description: TRANS NPN 50V TO-18
More Detail: Bipolar (BJT) Transistor NPN 50V 300MHz Through ...
DataSheet: 2N4014 datasheet2N4014 Datasheet/PDF
Quantity: 654
1 +: $ 1.71990
10 +: $ 1.55610
25 +: $ 1.38928
100 +: $ 1.25023
250 +: $ 1.11132
500 +: $ 0.97241
1000 +: $ 0.80571
2500 +: $ 0.75014
Stock 654Can Ship Immediately
$ 1.89
Specifications
Series: --
Packaging: Bulk 
Part Status: Active
Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 50V
Vce Saturation (Max) @ Ib, Ic: --
Current - Collector Cutoff (Max): 1.7µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce: 60 @ 100mA, 1V
Frequency - Transition: 300MHz
Operating Temperature: --
Mounting Type: Through Hole
Package / Case: TO-206AA, TO-18-3 Metal Can
Supplier Device Package: TO-18
Description

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The 2N4014 is a bipolar junction transistor (BJT), also known as a single transistor. It is typically used for switching and amplifying electrical signals in various circuits throughout numerous industries - due to its versatility, durability and powering capabilities. In this article, we will discuss the potential applications of this device, as well as its working principle.

Application Fields of 2N4014

The 2N4014 is a common type of transistor which is primarily used in the switching operations of a circuit. These devices are particularly useful in dealing with higher currents and voltages, as they are designed to handle greater wattage. This makes them ideal for basic electronic circuits that are meant to carry higher power, such as relays, motors, solenoids, and lights. Additionally, they are suitable for controlling and monitoring the electronics of various heavy-duty output devices.

This single transistor is also ideal for amplifying weak electrical signals. It is frequently used in audio amplifier circuits, as it can amplify sound signals by a great degree. It is also often seen in radio receivers and transmitters, as it can be used to accurately reproduce and transmit radio waves. Furthermore, this transistor can be used for controlling and regulating electrical current, making it ideal for use in voltage regulator circuits. These circuits are popularly employed by portable devices, automobiles and other devices that are powered by batteries, as they can accurately keep the voltage stable even when a load is connected.

Working Principle of 2N4014

The 2N4014 is a three-terminal bipolar junction transistor (or BJT), and it can be categorised as either a NPN (negative-positive-negative) or PNP (positive-negative-positive) type. This device operates on the principle of making an electrical connection between the different regions with different levels of doping. It is comprised of two junctions - the base-emitter junction and the base-collector junction.

When an electric current is applied at the base junction of this transistor, it causes the electrons in the base to become extremely mobile. These electrons then cross the base-emitter junction and become majority carriers in the emitter region, which in turn creates an instability in the transistor\'s biasing. An external voltage is therefore necessary to balance this biasing so that the current flows smoothly. This voltage controls the number of electrons which cross the base-emitter junction and thereby regulates the current flow between the collector and emitter.

When the base-emitter voltage exceeds 0.6V, the transistor becomes active and allows current to flow between collector and emitter. By controlling the base voltage, the amount of current flow between these two regions can be regulated. This is the basic working principle of the 2N4014.

Conclusion

The 2N4014 is a single bipolar junction transistor with considerable potential in various applications. It is mostly used for switching and amplifying electrical signals in circuits throughout numerous industries, particularly due to its versatility, durability and powering capabilities. On top of this, this transistor employs the working principle of regulating current flow between collector and emitter by controlling the base voltage.

The specific data is subject to PDF, and the above content is for reference

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