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The BC857BWT1 is a PNP silicon general-purpose transistor from the onsemi BC856/7/8 series, housed in an SC-70/SOT-323 surface-mount package. It features a collector-emitter voltage of -45 V and a continuous collector current of -100 mA. The device offers a DC current gain (hFE) range of 150 to 475 at Ic = -2.0 mA and Vce = -5.0 V. Electrical characteristics include a transition frequency of 100 MHz and a maximum power dissipation of 150 mW.
Verify the specific ordering suffix 'WT1' corresponds to the tape and reel shipping configuration as documented in the official datasheet. Confirm that the component meets Pb-Free requirements if environmental compliance is necessary for the assembly process. Ensure the SC-70/SOT-323 package dimensions align with the intended PCB footprint design constraints.
Select this component for applications requiring a PNP transistor with a -45 V collector-emitter breakdown voltage and a maximum continuous current of -100 mA. The device is appropriate for low-power surface mount designs where the SC-70/SOT-323 package provides space efficiency. Consider the hFE range of 150 to 475 for biasing calculations in amplifier stages.
This part belongs to the BC856BWT1, BC857BWT1, and BC858AWT1 series published by Semiconductor Components Industries, LLC (onsemi). The series includes complementary NPN devices such as the BC846 and BC847 variants. These transistors are categorized as preferred devices for future use, offering standardized performance across the family.
BC857BWT1G