DTC123EMFHAT2L

Overview

The DTC123EMFHAT2L is an NPN digital transistor manufactured by ROHM Semiconductor, featuring built-in bias resistors to simplify circuit design. It operates with a supply voltage of 50V and supports a continuous collector current of 100mA. The device incorporates input resistance (R1) options of 1kΩ or 2.2kΩ and emitter-base resistance (R2) values of 1kΩ or 2.2kΩ. Power dissipation is rated at 150mW, with a minimum DC current gain (hFE) of 20. It is housed in the VMT3 package (SOT-723), suitable for surface mount applications, and complies with AEC-Q101 automotive standards.

Feature Summary

• Integrates biasing resistors internally to eliminate external resistor requirements for inverter circuits.
• Complies with AEC-Q101 qualification standards for automotive electronic components.
• Utilizes compact VMT3 (SOT-723) surface-mount packaging for space-efficient designs.

Applications

• Automotive electronic systems requiring qualified discrete semiconductors
• Inverter circuits utilizing built-in biasing without external input resistors
• Surface-mount assembly for compact consumer and industrial electronics

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific ordering suffixes match project requirements. Check datasheet revisions for any updates to electrical characteristics or packaging details before finalizing procurement specifications.

Selection Notes

Select this component when an NPN digital transistor with integrated bias resistors is required for automotive or general-purpose applications. Ensure the chosen R1 and R2 resistance values align with the target logic levels and drive currents. Verify that the VMT3 package dimensions fit the PCB layout constraints and thermal management needs.

Part Context

This part belongs to the DTC123 series of digital transistors from ROHM Semiconductor. These devices are designed to replace multiple discrete components by integrating a transistor with pre-biased resistors. The series offers various resistance combinations and packages to accommodate different switching speeds and power dissipation requirements across diverse electronic applications.

Replacement Considerations

DTC123EMFHA is listed as a similar level replacement with the same pinout and package. Verify electrical parameter equivalence and automotive qualification status before substitution. Ensure the alternative part meets all original design specifications regarding voltage, current, and thermal performance.

FAQ

What is the maximum collector current for the DTC123EMFHAT2L?

The maximum continuous collector current is 100 mA.

Does this component meet automotive reliability standards?

Yes, the DTC123EMFHAT2L is qualified under the AEC-Q101 standard for automotive-grade components.

What package type does this digital transistor use?

It uses the VMT3 package, which corresponds to the SOT-723 form factor.