DTA123EU3T106

Overview

The DTA123EU3T106 is a single PNP digital transistor manufactured by ROHM Semiconductor, housed in a SOT-323 (UMT3) surface-mount package. It integrates bias resistors with a typical input resistance of 2.2 kOhms and a resistor ratio of 1. The device supports a collector continuous current of -100 mA and a maximum operating frequency of 250 MHz. Key electrical limits include a collector-emitter voltage of -50 V, an emitter-base voltage of -3 V, and power dissipation of 200 mW. It operates within a temperature range up to +150°C and features a minimum DC current gain of 20 at -20 mA.

Feature Summary

• Integrates built-in bias resistors to eliminate external components for inverter circuit configurations.
• Provides high-speed switching capabilities suitable for applications requiring frequencies up to 250 MHz.
• Offers compact surface-mount packaging designed for space-constrained electronic designs.

Applications

• Inverter circuits utilizing integrated biasing without external resistors.
• General-purpose switching applications in consumer electronics.
• Driver circuits for low-current loads in portable devices.

Procurement Notes

Verify the component status before integration, as availability data indicates potential supply constraints or end-of-life considerations depending on the specific manufacturing batch. Confirm that the SOT-323 package dimensions align with the target PCB footprint. Ensure that the thermal management strategy accounts for the 200 mW power dissipation limit under worst-case operating conditions to maintain reliability.

Selection Notes

Select this component when a PNP configuration with a 2.2 kOhm base resistance is required. Compare against the DTA123EUAT106 if a different tape-and-reel specification or alternative marking code is necessary. Consider the DTA143ZU3T106 if a higher input resistance value is needed for the application. Verify that the -50 V rating meets the system voltage requirements.

Part Context

This part belongs to the DTA123 series of pre-biased transistors from ROHM Semiconductor. It shares functional similarities with other members like the DTA123TCAT116 but differs in package type and specific electrical characteristics. The series is designed to simplify digital circuit design by combining a transistor and resistors into a single package.

Replacement Considerations

The DTA123EUAT106 is a related variant within the same family, potentially differing in packaging suffixes or marking codes. Verify pinout compatibility and electrical specifications before substitution. No direct cross-manufacturer equivalents are confirmed in the provided documentation.