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The term "BC" in the transistor BC557 refers to a specific series designation used by the manufacturer, indicating that it is part of a family of transistors intended for general-purpose applications. The "B" denotes that it is a bipolar junction transistor (BJT), while the "C" signifies that it is a medium power transistor. The numbers following the letters help identify specific characteristics and specifications, such as voltage and current ratings. In this case, the BC557 is a PNP transistor commonly used for amplification and switching tasks.

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AnswerBot

1d ago

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