The BC857BW is a general-purpose PNP bipolar junction transistor (BJT) that belongs to the BC85x series of discrete semiconductor components. It is widely used in various electronic circuits for amplification, switching, and signal processing applications.
Key features of the BC857BW include a maximum collector current (Ic) of 100mA, a collector-base voltage (Vcbo) of -45V, and a collector-emitter voltage (Vceo) of -45V. The transistor also has a power dissipation (Ptot) of 625mW and a DC current gain (hfe) ranging from 100 to 630, depending on the operating conditions.
The BC857BW comes in a SOT-323 surface mount package, which is compact and suitable for space-constrained applications. It has a high transition frequency (ft) of 150MHz, making it suitable for high-frequency circuits.
Overall, the BC857BW is a versatile and reliable discrete semiconductor component that is commonly used in a wide range of electronic devices and systems due to its high performance characteristics and compact form factor
