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The BC847B is a PNP general-purpose bipolar junction transistor (BJT) manufactured by NXP Semiconductors. It is available in a SOT-23 package and is designed for use in low-frequency amplifier and switching applications. Features: Low current (max. 100 mA) Low voltage (max. 65 V) High gain Low noise High transition frequency Low saturation voltage Applications: Low-frequency amplifier Switching applications Audio amplifiers Low-noise amplifiers High-speed switching circuits Low-power logic circuits (For reference only)