2SA1552T-E

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The 2SA1552T-E is a bipolar (BJT) field effect transistor that falls into the single type, and is available in a TO-220AF package. This NPN epitaxial silicon transistor is designed for use in audio, voltage regulator and DC-DC converter applications.

The 2SA1552T-E has three terminals – base, collector and emitter. The collector-emitter current flow is controlled by the base current, and this inherent gain allows the transistor to be used as amplifiers, switches, and rectifiers. It has a maximum collector-emitter voltage of 160V, a peak collector current of 8.6A, and a continuous collector current of 5A.

The large current capacity and gain-bandwidth product of the 2SA1752T-E is ideal for use in high-power, audio-frequency applications, especially those that require a high-voltage or high-current capability. Additionally, the low capacitance and capacitive coupling of the transistor allows it to be used for voltage regulation, amplification, and DC-DC converter applications. The most common use of the 2SA1752T-E is in power audio amplifiers.

The operating principle of the 2SA1552T-E can be summed up in the following way: The collector current of the transistor is controlled by the the current of the base. When the base current is low, the collector current is nearly equal to zero and the transistor is off. But as the base current increases, the collector current increases as well, and thus the transistor is turned on. The current gain (or "Beta") of the transistor is determined by the voltage across the collector and emitter. As the voltage increases, the current gain also increases.

The 2SA1552T-E is very versatile and its high power output makes it ideal for use in audio and voltage regulation applications. Its low capacitance and capacitive coupling allows it to be used for switching and rectification, while its high-current capacity makes it suitable for high-power amplifiers. Overall, the 2SA1552T-E is an excellent choice for a variety of audio, voltage, and DC-DC converter applications.

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