DTC124EU3T106

Overview

The DTC124EU3T106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323 (UMT3) surface-mount package. It integrates biasing resistors with typical values of R1=22 kΩ and R2=22 kΩ, yielding a ratio of 1. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V, continuous collector current of 100 mA, and power dissipation of 200 mW. The device features a minimum DC current gain (hFE) of 56 at 5 mA/5 V, a transition frequency of 250 MHz, and an emitter-base voltage (VEBO) of 3 V. It operates up to +150°C and holds AEC-Q101 qualification.

Feature Summary

• Integrates built-in biasing resistors (R1 and R2) to simplify circuit design by eliminating the need for external input resistors.
• AEC-Q101 qualified for automotive reliability standards.
• High-speed switching capability with a transition frequency of 250 MHz.

Applications

• Inverter circuits requiring simplified input stages.
• Automotive electronic systems due to AEC-Q101 qualification.
• General-purpose switching applications in consumer electronics.

Procurement Notes

Verify the specific suffix T106 corresponds to the standard tape-and-reel packaging format of 3000 units per reel. Confirm RoHS compliance status through official datasheets or manufacturer declarations prior to integration. Ensure the ordering part number matches the exact pinout and electrical characteristics required for the target application design.

Selection Notes

Select this component when a single NPN digital transistor with equal base and emitter resistor values (22kΩ each) is required. It is suitable for designs needing 50V breakdown and 100mA current handling in a compact SOT-323 footprint. Consider the AEC-Q101 rating if the application demands automotive-grade reliability standards.

Part Context

This part belongs to the ROHM DTC124 series of pre-biased transistors. It shares the same physical package and general electrical limits as variants like DTC124XU3 but differs in internal resistor configurations and specific qualification levels. The EU3 suffix typically denotes the specific resistor ratio and automotive qualification within the broader DTC124 family.

Replacement Considerations

Direct substitutes may include DTC124XU3T106 or DTC124GUAT106, provided the resistor ratios and hFE specifications align with the design requirements. Verify that any replacement maintains the SOT-323 package and AEC-Q101 qualification if automotive use is intended.