2N3771G

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The 2N3771G transistor is a high-power N-type field transistor (Bipolar Junction Transistor or BJT) with controllable gain and is suitable for both commercial and military applications. It has a maximum collector current of 25 A, a collector-emitter voltage of 100 V, and a power dissipation of 500 W. This transistor is commonly used in low-frequency amplifiers and audio power amplifiers, especially those operating in a push-pull configuration.

This type of transistor is a three-terminal device that uses two p-n junction diodes to control current flow. The base-emitter junction is forward biased, while the base-collector junction is reverse biased. When a voltage is applied to the base, carriers are injected into the collector-base junction, causing current to flow between the emitter and the collector. This current is known as the collector current.

The transistor is operated in either an "active" or "saturated" state, which determines the collector current. In the active state, the collector current is proportional to the base current, and the current gain, also known as the collector-emitter current gain, is defined as the ratio of the collector current to the base current. In the saturated state, the collector current is limited by the collector-emitter voltage, and the gain is then determined by the device’s saturation characteristics.

2N3771G transistors are typically used in linear power amplifiers, high-power switching circuits, and high-current switching devices. They are also suitable for use in both high- and low-frequency applications, including audio power amplifiers, motor-control circuits, switching supplies, and high-voltage converters applications than need impressive power and durability. For example, they may be deployed in switching circuits, such as DC-DC amplifiers and high-voltage converters.

2N3771G transistors offer a variety of advantages, such as low power consumption, high input impedance, and low capacitance. Furthermore, they are resistant to temperature variations and can operate over a wide range of collector-emitter voltages. These and other important attributes make the 2N3771G a good choice for applications requiring high power and high accuracy, such as audio amplifiers, high-voltage converters, and motor-control circuits.

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