DTC124TU3HZGT106

Overview

The DTC124TU3HZGT106 is an NPN digital transistor manufactured by ROHM Semiconductor, housed in a SOT-323 (UMT3) surface-mount package. It integrates bias resistors to simplify circuit design. Key electrical parameters include a collector-emitter voltage of 50 V and a continuous collector current of 100 mA. The device features a typical input resistance (R1) of 22 kΩ and an emitter-base resistance (R2) of 47 kΩ. It operates with a maximum power dissipation of 200 mW and supports a transition frequency up to 250 MHz. The unit is qualified to AEC-Q101 standards for automotive applications.

Feature Summary

• Built-in bias resistors eliminate the need for external input components, facilitating straightforward inverter circuit configuration.
• Automotive-grade reliability achieved through qualification to AEC-Q101 standards.
• Compact SOT-323 packaging enables efficient space utilization in dense electronic assemblies.

Applications

• Inverter circuits
• Interface drivers
• General-purpose switching applications

Procurement Notes

Verify the specific ordering suffix against official ROHM documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with AEC-Q101 requirements if deploying in automotive environments. Cross-reference datasheet revisions to validate parameter consistency before finalizing procurement orders.

Selection Notes

Select this component when an NPN digital transistor with integrated biasing is required for compact designs. The 22 kΩ input resistor suits standard logic interface levels. Verify that the 50 V collector voltage and 100 mA current ratings exceed the target application's peak demands to ensure reliable operation under varying load conditions.

Part Context

This part belongs to the DTC124 series of bias resistor built-in transistors from ROHM. The TU3HZG suffix indicates the specific SOT-323 package variant and automotive-grade qualification. It serves as a pre-biased solution replacing discrete resistor-transistor combinations in signal processing paths.

Replacement Considerations

DTC124XU3HZGT106 is listed as a similar level replacement with the same pinout and package. Verify exact resistance values and hFE characteristics against the new part's datasheet to ensure functional equivalence in the existing circuit design.