NHDTC124EU-QX

Overview

The NHDTC124EU-QX is an NPN digital transistor manufactured by Nexperia USA Inc., designed for surface-mount applications in the SOT-323 (SC-70) package. It integrates internal biasing resistors to simplify circuit design, eliminating the need for external input components. Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 80 V and a continuous collector current of 100 mA. The device features a typical base resistor (R1) of 22 kOhms and an emitter-base resistor (R2) of 22 kOhms. It operates within a temperature range of -55°C to +150°C and has a power dissipation rating of 235 mW. The component meets AEC-Q101 automotive qualification standards.

Feature Summary

• Integrated biasing resistors enable direct connection to logic outputs without external input resistors.
• Automotive-grade reliability compliant with AEC-Q101 standards for critical applications.
• High-voltage capability supports switching loads up to 80 V collector-emitter breakdown.

Applications

• Automotive electronic control units requiring high-reliability switching.
• General-purpose inverter circuits driven by microcontrollers or logic gates.
• Load switching in 12 V and 24 V automotive systems.

Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm it denotes the standard tape-and-reel packaging format for this part number. Ensure the ordering code matches the required SOT-323 package variant. Confirm RoHS compliance status through the manufacturer's latest product compliance database before finalizing procurement orders.

Selection Notes

Select this component when an NPN digital transistor with 80 V blocking capability and 100 mA current handling is required in a compact SC-70 footprint. The integrated 22 kOhm resistors are suitable for standard logic level driving. Consider the thermal constraints of the SOT-323 package if operating near the maximum power dissipation limit of 235 mW in high-temperature environments.

Part Context

This part belongs to the Nexperia DTC124 series of pre-biased NPN transistors. The 'Q' suffix indicates automotive qualification under AEC-Q101 standards, ensuring suitability for harsh automotive environments. The 'EU' designation typically refers to the SOT-323/SC-70 plastic surface-mount package, distinguishing it from other package variants like TO-236AB.

Replacement Considerations

Direct substitutes include other AEC-Q101 qualified NPN digital transistors in SOT-323 packages with similar 80 V and 100 mA ratings, such as the NHDTC124ETVL in a different package or equivalent parts from other manufacturers meeting the same electrical and automotive reliability specifications.