The BC847 is a series of general-purpose NPN bipolar junction transistors (BJTs). These transistors are commonly used in electronic circuits for a wide range of amplification and switching applications. The BC prefix typically indicates a series of transistors, and the specific part number within the BC847 series varies depending on the characteristics of the transistor.
Here are some key characteristics and specifications of BC847 transistors:
Type: BC847 series includes NPN bipolar transistors.
Package: They are typically available in small surface-mount packages, such as SOT-23, as well as through-hole packages, like TO-92. The package type may vary depending on the specific part number within the series.
Polarity: As NPN transistors, they allow current to flow from the collector to the base and then to the emitter when they are in the active state.
Voltage and Current Ratings: The specific voltage and current ratings of BC847 transistors can vary based on the part number within the series. Typical voltage ratings for BC847 might include a collector-emitter voltage (Vce) of around 45 volts, and a collector current (Ic) rating of around 100 mA (milliamps).
Gain (hFE): The current gain or hFE (beta) of BC847 transistors typically falls within a range of values (e.g., 100 to 600) depending on the specific part number and manufacturer.
Applications: BC847 transistors are widely used in various applications, including signal amplification, small-signal switching, digital logic, and as building blocks in analog and digital circuits.
Pinout: The pinout of BC847 transistors includes three leads: collector, base, and emitter. The orientation of these pins is standardized in the selected package.
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