DTA124EU3HZGT106

Overview

The DTA124EU3HZGT106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323 (UMT3) surface-mount package. It integrates bias resistors with a typical input resistance of 22 kOhms and a resistor ratio of 1. Key electrical parameters include a maximum collector-emitter voltage of 50V, a continuous collector current of 100 mA, and a power dissipation rating of 200 mW. The device supports a maximum operating frequency of 250 MHz and features a minimum DC current gain (hFE) of 56 at 5 mA and 5 V. It is qualified under the AEC-Q101 automotive standard and operates within a temperature range up to +150°C.

Feature Summary

• Integrates built-in bias resistors to simplify circuit design by eliminating external components.
• Automotive-grade reliability certified under AEC-Q101 standards for high-temperature operation.
• Compact SOT-323 surface-mount packaging suitable for space-constrained applications.

Applications

• Automotive electronic systems requiring high-reliability switching components.
• General-purpose logic interface circuits and level shifting.
• Power management control circuits for low-current switching tasks.

Procurement Notes

Verify the specific suffix GT106 to confirm the tape-and-reel packaging quantity of 3000 units per reel. Ensure compatibility with SOT-323 footprints during PCB layout. Confirm AEC-Q101 qualification requirements if the application mandates automotive-grade components. Cross-reference the manufacturer part number against official ROHM documentation to avoid confusion with similar variants.

Selection Notes

Select this component when a single NPN digital transistor with a 22 kOhm base resistor is required. The 50V voltage rating and 100mA current capacity suit low-power switching applications. Consider the 250 MHz transition frequency for high-speed signal processing needs. Verify that the SOT-323 package dimensions fit the designated board space constraints.

Part Context

This part belongs to the ROHM DTC series of Bias Resistor Built-in Transistors, which are widely used for their compact size and simplified circuit design. The EU3H variant specifically denotes the SOT-323 package configuration. As an automotive-qualified component, it aligns with ROHM's long-life product strategy, ensuring supply stability for critical electronic systems over extended production cycles.

Replacement Considerations

Direct substitutes may include other ROHM DTC series parts with matching polarity and resistor values, such as DTA123 or DTA124 variants in different packages. Verify pinout compatibility and electrical ratings before substitution. Non-ROHM equivalents require careful comparison of hFE, VCEO, and thermal characteristics.