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The BC856AW-QX is a PNP general-purpose transistor manufactured by Nexperia, designed for surface-mount applications. It operates within a collector-emitter voltage (VCEO) of 65 V and supports a continuous collector current of 100 mA. The device utilizes silicon technology and is housed in an SOT-323 (SC-70) plastic package. It meets AEC-Q101 automotive qualification standards, ensuring reliability under specified conditions. The component features a power dissipation capability of 200 mW and functions across a temperature range from -65°C to +150°C.
Verify the specific gain band suffix 'A' against design requirements, as it denotes a distinct DC current gain range compared to other variants like 'B'. Confirm that the SOT-323 package dimensions align with the target PCB layout. Ensure the AEC-Q101 qualification status meets the specific automotive or industrial reliability standards required for the final assembly process.
Select this component when a PNP transistor with high gain variation control is needed in a compact form factor. The 'A' suffix indicates a specific hFE binning range; verify this matches the circuit's biasing needs. Consider the SOT-323 package for space-constrained boards. Compare against the NPN complement BC846AW if complementary pairs are required for push-pull configurations.
This part belongs to the Nexperia BC846/BC856 series of general-purpose transistors. The 'W' suffix identifies the SOT-323 (SC-70) package type, while 'Q' indicates automotive qualification. The 'A' suffix specifies the DC current gain characteristics. This series provides standard NPN and PNP options for low-power signal processing and switching tasks in consumer and automotive electronics.
The BC846BW-QX serves as the NPN complement within the same family. For direct replacement, verify the gain band 'A' specification matches the original design intent. Other generic PNP transistors in SOT-323 packages may fit physically but require electrical parameter validation.