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The BC856AW-HF is a PNP silicon general-purpose bipolar junction transistor manufactured by Comchip Technology. It operates with a collector-emitter voltage of 65 V and a continuous collector current of 100 mA. The device features a maximum power dissipation of 150 mW and a DC current gain (hFE) ranging from 220 to 475. Packaged in an SOT-323-3 surface-mount case, it supports a wide operating temperature range from -65°C to +150°C.
Verify the specific suffix AW against the official Comchip Technology datasheet to confirm automotive grade status and halogen-free compliance. Ensure the ordering part number matches the exact electrical parameters required for the target design. Cross-reference the manufacturer's documentation for any updates regarding RoHS or REACH regulatory status before finalizing procurement.
Select this component when automotive reliability and low noise are required in a compact SOT-323 package. The 65 V rating provides sufficient headroom for many standard logic and analog interfaces. Verify that the 150 mW power dissipation limit accommodates the thermal conditions of the intended application environment.
This part belongs to the BC856 series of PNP transistors designed for general-purpose use. The 'A' designation typically indicates a specific hFE binning range, while 'W' often denotes tape-and-reel packaging. The 'HF' suffix confirms halogen-free manufacturing. This series is widely used in consumer and industrial electronics requiring small-signal switching.
Direct substitutes include BC856BW-G and BC856AW-TP. Verify pinout compatibility and ensure the replacement meets the 65 V collector-emitter voltage requirement.