BD682G

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The BD682G is a power transistor designed for high power linear applications. It is a silicon epitaxial PNP device in a metal TO220 package. The transistor is designed for linear operation at frequencies up to 300 MHz. The rated collector dissipation is up to 35 watts at a case temperature of 25 °C.

The BD682G is often used in analog audio amplifier circuits, RF amplifiers, linear power supplies and other applications that require high voltage, high power linear operation. It may also be used for switching applications when combined with other transistors. In addition, the high breakdown voltage of the BD682G makes it especially useful in power supply designs where transistor voltage is of critical importance.

The working principle of the BD682G is based on a basic principle of transistor action called the "gain effect." This gain effect occurs when a current is applied to the base of a bipolar transistor. This current causes an effect of "majority carriers" (or "thermal electrons") to move from the collector to the emitter as a result of the gain effect.

The BD682G is a powerful and versatile transistor, capable of operating at high power levels with excellent linearity. The base-emitter and collector-emitter junction are designed to operate in a wide voltage range, providing efficient energy transfer and thermal control for audio amplifier circuits and linear power supplies.

The BD682G is a relatively large device, but it is still small enough to be mounted easily on printed circuit board (PCB) layouts. The package provides a good heat dissipation and is also relatively inexpensive, making it a popular choice for prototyping and general-purpose high power amplification applications.

In conclusion, the BD682G is an ideal choice for high-power linear applications such as audio amplifier circuits, linear power supplies, RF amplifiers, and switching applications. The high breakdown voltage of the BD682G and its excellent thermal performance make it suited for a wide range of applications.

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