2N6490

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2N6490 is a kind of single bipolar junction transistor (BJT) in a TO-92 package. It is a transistor with high current gain and high switching speed, and can be used in many places. This article introduces the application field and working principle of 2N6490.

Application field

2N6490 is an NPN transistor, so its main application fields are switching, amplify and current control. It has a high current gain, wide band width and fast switching speed, so it can be used in many places, such as amplifier circuits, digital circuits and power circuits, etc. It is especially suitable for digital circuits and switch circuits, such as motor control, LED driving, computer peripheral drive and so on.

2N6490 has a low power dissipation, low saturation voltage and low collector emitter voltage, which makes it a suitable choice when the power consumption is low. In addition, due to its low noise level, it can be used in communication circuits or in other sensitive device applications.

Working Principle

A transistor is a semiconductor device that acts as an electronic switch or amplifier. It consists of three terminals: the base, the collector and the emitter, and can be either NPN or PNP. 2N6490 belongs to the NPN type, so the current transistor is 2N6490 NPN type.

In order for the transistor to work, it needs to have current applied to the base terminal. When current is applied to the base, it causes a small current to flow from the collector to the emitter. Current flow from the collector to the emitter is what causes the transistor to turn on and off, allowing for switching and amplification. It also helps to regulate the current flow in the circuit. By controlling the base current, the amount of current allowed to flow from collector to emitter can be controlled.

2N6490 has a maximum collector current of 1000mA, which makes it suitable for use in circuits that require high current levels. It also has a high minimum current gain of hFE = 200 TYP, which means it has a high capability to amplify small signals. In addition, 2N6490 has a fast switching speed and low saturation voltage, which makes it a suitable choice for use in digital circuits.

2N6490 is a single bipolar junction transistor that offers many advantages over other transistors. Its high current gain and fast switching speed make it a suitable choice for many applications. Its low power dissipation, low saturation voltage and low collector-emitter voltage also make it a good choice for low power circuits. It has been used in many digital circuits and is used extensively in motor control, LED driving, and computer peripheral drive applications.

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