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.
in bc107 transistor b stands for the material i.e,silicon here and c stands for af low power signal
BC stands for silicon transistor
base to collector
2n3906 pnp
SL100
Before Christ as AD stands for After death
it cnverts to a low voltage.
They are known to be the most reliable transistors.
In electrical terminology, "BC" typically stands for "Base Current." It refers to the current flowing into the base terminal of a bipolar junction transistor (BJT), which is essential for controlling the transistor's operation. The base current plays a crucial role in determining the transistor's current gain and overall performance in amplifying or switching applications.
As a formal acronym, it just doesn't. BC is commonly used as meaning Before Christ. BC could of course stand for billion centuries, but there is no common usage of that term.
The meaning of AD is After Death and the meaning of BC is Before Christ.
the dc current gain of BC107 can vary from 110 to 450