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The PDTA143EQC-Q is a PNP resistor-equipped transistor from Nexperia, housed in the DFN1412D-3 (SOT8009) package. It features built-in bias resistors with nominal values of 4.7 kΩ for both R1 and R2. The device supports a maximum collector-emitter voltage of -50 V and an output current of -100 mA. Total power dissipation reaches 360 mW at 25 °C on a standard FR4 PCB. The component is qualified under AEC-Q101 standards.
Verify the specific ordering code against the manufacturer's latest documentation to ensure correct package and marking alignment. Confirm that the DFN1412D-3 footprint matches the target PCB layout requirements. Check for any recent product change notices regarding manufacturing sites or material composition updates before finalizing procurement plans.
Select this component when space constraints require an ultra-small leadless package with side-wettable flanks. Ensure the application operates within the specified -55 °C to +150 °C ambient temperature range. Verify that the required input resistance aligns with the 4.7 kΩ specification provided for this specific part number variant.
This device belongs to the PDTA143/114/124/144EQC-Q series, which shares the same SOT8009 package but varies in internal resistor values. It serves as a cost-saving alternative to traditional discrete transistor-resistor combinations in digital switching circuits. The series is designed to replace older technologies like the BC857-Q in compact designs.
Direct pin-compatible replacements within the same series include PDTA114EQC-Q, PDTA124EQC-Q, and PDTA144EQC-Q, which differ only in resistor values.