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The PDTC124EQC-QZ is a 50 V, 100 mA NPN Resistor-Equipped Transistor (RET) from Nexperia. It integrates two bias resistors: R1 and R2 are both 22 kΩ. The device is housed in an ultra-small DFN1412D-3 (SOT8009) leadless SMD plastic package with side-wettable flanks, featuring a low profile of 0.5 mm height. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V, output current (IO) of 100 mA, and a typical transition frequency (fT) of 230 MHz at IC = 10 mA. It meets AEC-Q101 automotive qualification standards.
Verify the specific ordering suffix matches the required variant, as the datasheet lists PDTC124EQC-Q without a Z suffix in the official table. Confirm the package type is DFN1412D-3 (SOT8009) and check for AEC-Q101 compliance documentation if automotive grade is required. Ensure the marking code corresponds to '8M' for this specific resistor value configuration.
Select this RET when space constraints prevent discrete resistor placement. The 22 kΩ internal resistors set the base drive current; verify that the resulting base current is sufficient for saturation at the intended collector load. Compare against the PDTA124EQC-QZ PNP complement if complementary switching is needed. Ensure the 50 V rating exceeds the maximum circuit voltage.
This component belongs to the PDTC143/114/124/144EQC-Q series, which shares the same DFN1412D-3 package and general features but varies in internal resistor values. The PDTC124EQC-QZ specifically uses 22 kΩ resistors for both R1 and R2, distinguishing it from the 4.7 kΩ, 10 kΩ, and 47 kΩ variants in the family.
Publicly confirmed substitutes within the same series include PDTC143EQC-Q, PDTC114EQC-Q, and PDTC144EQC-Q, provided their different resistor values meet the circuit requirements. The PNP equivalent is PDTA124EQC-QZ.