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The PDTA124XQB-Q is a PNP Resistor-Equipped Transistor (RET) from Nexperia, designed for digital switching applications. It integrates a transistor with built-in bias resistors in an ultra-small DFN1110D-3 (SOT8015) leadless SMD plastic package featuring side-wettable flanks. The device supports a collector-emitter voltage of -50 V and an output current of -100 mA. Internal resistor values are 22 kΩ for R1 and 47 kΩ for R2, yielding a ratio of approximately 2.13. It operates within a temperature range of -55 °C to 150 °C and is qualified according to AEC-Q101 standards.
Verify the specific ordering suffix matches the required configuration. Confirm that the DFN1110D-3 package dimensions align with the target PCB footprint. Ensure thermal management strategies account for the specified power dissipation limits under expected ambient conditions. Validate AEC-Q101 compliance requirements against project specifications before finalizing procurement.
Select this component when a compact PNP solution with integrated base biasing is required. The 22 kΩ input resistor value determines the drive current requirements compared to other series variants. Consider the low profile and side-wettable flanks if automated inspection reliability is critical. Evaluate the -50 V rating against maximum circuit voltages to ensure adequate safety margins.
This part belongs to the PDTA143X/123J/143Z/114Y/124XQB-Q series, which shares the same SOT8015 package and general electrical characteristics but varies in internal resistor values. The series serves as a cost-saving alternative to discrete transistor-resistor combinations like the BC857-Q series in digital switching roles.
PDTC124XQB-Q is the NPN complement within the same series. Direct substitution requires polarity inversion and circuit redesign. Other RETs in the series differ only by resistor ratios.