BD242ATU

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A BD242ATU is a complementary Silicon PNP/NPN power transistor, designed for use in audio power amplifier applications.

The transistor consists of two dies, one NPN and one PNP, connected internally to form a dual-in-line package. Each transistor die is a single-emitter type and has a Collector connected to the Common lead and a Base connected to the Base lead. The two emitter pins can be used in long leads for similar application as the Darlington transistor.

The maximum Collector-Emitter voltage for both types is 45 volts. This makes it suitable for use in applications such as switching, driver stages, general purpose power amplifiers and power switching circuits. The maximum Collector-base voltage is 50 volts and the maximum Emitter-base voltage is 5 volts, making it suitable for use in power amplifier circuits.

The BD242ATU has a low current gain of 20-40, making it suitable for use in voltage-controlled power amplifier circuits, where it can be used to produce high-efficiency power transfer. It has a high current capacity of up to 20 A, making it suitable for use in power switching circuits as well.

In terms of power dissipation, the BD242ATU can handle up to 200 watts of continuous dissipation, making it suitable for use in high-power applications. It also has a high thermal resistance of 0.27°C/W, meaning that it is able to dissipate the heat generated by it while operating at elevated temperatures.

The maximum Collector current of the BD242ATU is 20A, meaning that it is suitable for use in large-scale power amplifier systems, where it can increase efficiency and power output by providing increased current. The peak pulse current of the BD242ATU is also high, being up to 15 A, which makes it suitable for use in heavy duty switching applications, where it can provide reliable switching with minimal losses and high efficiency.

The BD242ATU also has a high speed, with the rise time being up to 75 ns and the fall time being up to 130 ns. This makes it suitable for use in high-speed applications, such as signal processing and signal transmission systems, where timing is critical.

Overall, the BD242ATU is a highly versatile transistor, capable of handling large current demands and providing high-efficiency output with minimal losses. It is suitable for use in a wide range of applications, including amplifier circuits, power switching circuits, and signal processing and transmission systems. With its low current gain and high thermal resistance, it is an ideal solution for applications where high-efficiency is of paramount importance.

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