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The PDTC124TU-QX is a single NPN digital transistor manufactured by Nexperia, designed for surface-mount applications in the SOT-323 (SC-70) package. It integrates an NPN bipolar junction transistor with built-in bias resistors to simplify circuit design and reduce board space. Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device features a typical base resistor value of 22 kOhms with a resistor ratio of 1. It operates within a temperature range of -65°C to +150°C and complies with RoHS standards.
Verify the specific suffix 'QX' against official Nexperia documentation to confirm automotive qualification status and tape-and-reel specifications. Ensure compatibility with standard SOT-323 footprint requirements during PCB layout. Cross-reference datasheet revisions to confirm pinout consistency and thermal characteristics before finalizing procurement orders.
Select this component when a compact NPN switching solution with integrated biasing is required. The 50 V rating and 100 mA current capacity suit low-voltage logic interfaces. Consider the SOT-323 package constraints for thermal management and available board real estate compared to larger packages like SOT-23.
This part belongs to Nexperia's PDTC series of Resistor-Equipped Transistors (RETs). The 'Q' suffix typically indicates automotive grade qualification under AEC-Q101 standards, while 'TU' specifies the SOT-323 package type. It serves as a pre-biased alternative to discrete resistor-transistor combinations.
Direct substitutes include PDTC123TU-QX (different resistor values) or PDTC124ET-QR (SOT-23 package). Verify pinout compatibility and electrical ratings when replacing with variants from other manufacturers or different Nexperia series.