BD13516S

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The BD13516S transistor is a bipolar junction transistor (BJT) that is classified as a single, thanks to its one base, one emitter, and one collector. The device offers high DC current gain from low to medium collector current and low noise, making it suitable for various applications.

Overview

The BD13516S transistor is a plastic encapsulated device, with a lead count of 4 and a maximum collector current of ± 8A. It also has a collector emitter voltage of 100V, a maximum collector emitter voltage of 115V and a maximum power dissipation of 625mW. The transition frequency of the device is fT = 25 MHz. Its high voltage capability and high current gain make it suitable for audio applications and general purpose switching. Furthermore, the device has a low collector-to-base breakdown voltage and low noise features, making it suitable for input buffer stages, Class-A and Class-B amplifiers, and many other applications.

Working Principle

The BD13516S transistor uses a three-layer semiconductor for its operation. The outer layer consists of the collector, the middle layer is the base, and the inner layer is the emitter. When the device is activated, the base-emitter junction forms a forward-biased diode. This enables current to flow from the collector to the emitter. The current then passes from the base to the collector through the forward-biased collector-base junction.

The current gain of the device depends on the ratio of its current gain β to the base current Ib.

Applications

Due to its high current gain, high voltage capability, and low noise features, the BD13516S is suitable for a variety of applications, including:

• Audio amplifiers
• Class-A/B amplifier stages
• Input buffer stages
• General-purpose switching
• High-voltage switching applications

Conclusion

The BD13516S transistor is a single-type bipolar junction transistor with a high current gain, high voltage capability, and low noise features. This makes it well-suited for a variety of audio, class-A/B amplifier stages, input buffer stages, and general-purpose switching applications.

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