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The PDTD113EU-QX is an NPN Resistor-Equipped Transistor (RET) manufactured by Nexperia. It integrates a single NPN silicon transistor with built-in bias resistors into a compact SOT323 (SC-70) surface-mount plastic package. The device supports a maximum collector current of 500 mA and a collector-emitter breakdown voltage of 50 V. Internal resistor values are typically 1 kOhm for the base resistor (R1) and 1 kOhm for the emitter resistor (R2). The component is qualified to AEC-Q101 standards, ensuring reliability for automotive applications, and operates within a temperature range from -55 °C to +150 °C.
Verify the specific suffix 'QX' against official Nexperia documentation to confirm packaging details and AEC-Q101 qualification status. Ensure the ordering part number matches the required tape-and-reel specifications for automated assembly processes.
Select this component when space constraints require a small SC-70 footprint combined with integrated biasing. Verify that the 50 V voltage rating and 500 mA current capacity meet the target application requirements before finalizing the design.
This part belongs to the PDTD1xxxU series of NPN resistor-equipped transistors. It serves as the NPN counterpart to the PDTB113ZU PNP variant. The series is designed to reduce component count and board space in digital switching applications.
Direct substitutes include the PDTD113EU and PDTD113ET variants. Verify pinout compatibility and electrical parameter equivalence before substitution.