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The Nexperia BC857BQBZ is a PNP small-signal bipolar junction transistor (BJT) designed for surface-mount applications. It utilizes the DFN1110D-3 package, providing a compact footprint with dimensions of 1.1mm x 1.0mm. The device features a maximum collector-emitter voltage (VCEO) of 45V and a collector-base voltage (VCBO) of 50V. It supports a continuous collector current of 100mA and offers a minimum DC current gain (hFE) of 220 in the B grading bin. The component operates within a temperature range of -65°C to +150°C and complies with RoHS standards.
Verify the specific suffix 'QBZ' against official Nexperia documentation to confirm the DFN1110D-3 package and B-bin hFE characteristics. Ensure compatibility with automated pick-and-place equipment due to the small form factor. Confirm end-of-life status if sourcing from secondary markets, as some variants in this series may have discontinuation notices.
Select this component when a low-profile PNP transistor is required for high-density PCB layouts. The DFN1110D-3 package offers superior thermal dissipation compared to traditional SOT-23 packages. Consider the B-bin gain specification for applications requiring consistent amplification factors without extensive sorting. Evaluate thermal resistance requirements for high-power dissipation scenarios.
This part belongs to the Nexperia BC857 family of PNP transistors, which are widely used in consumer electronics and industrial control systems. The BC857 series provides various gain bins and packaging options to suit different design constraints. The QBZ variant specifically targets modern miniaturization trends through its flat leadless DFN construction.
BC857B,215: Standard SOT-23 equivalent with similar electrical parameters but larger footprint.