DDTA144GCA-7-F

Overview

The DDTA144GCA-7-F is a PNP pre-biased small signal transistor in an SOT-23 surface mount package. It features an epitaxial planar die construction with a built-in biasing resistor (R2 only) of 47 kΩ nominal value. The device offers a collector-emitter breakdown voltage of -50 V and a maximum collector current of -100 mA. It operates within a temperature range of -55°C to +150°C and has a power dissipation rating of 200 mW. The component is qualified to AEC-Q101 standards for high reliability and is RoHS compliant.

Feature Summary

• Integrates a single internal biasing resistor (R2) to simplify circuit design
• Constructed using epitaxial planar die technology for robust performance
• Qualified to AEC-Q101 automotive standards ensuring high reliability

Applications

• Automotive electronic systems requiring high reliability components
• General purpose switching applications utilizing pre-biased PNP transistors
• Circuit designs needing simplified biasing networks with minimal external components

Procurement Notes

Verify the specific ordering suffix '-7-F' corresponds to the tape and reel packaging configuration containing 3000 units per reel as documented in the official Diodes Incorporated datasheet. Confirm that the date code and type code markings align with the specified product identification table to ensure authenticity and traceability during procurement processes.

Selection Notes

Select this component when a PNP transistor with an integrated 47 kΩ base resistor is required. Ensure the application voltage does not exceed the -50 V collector-emitter breakdown limit. Verify that the thermal resistance and power dissipation constraints fit the PCB layout, particularly noting the dependency on FR4 pad layouts for accurate thermal performance calculations.

Part Context

This part belongs to the DDTA R2-only series from Diodes Incorporated, designed specifically for applications requiring a single internal biasing resistor. It serves as the PNP counterpart to the complementary NPN DDTC series. The 'CA' designation indicates the specific pinout and electrical characteristics defined for this family of pre-biased transistors in the SOT-23 package.

Replacement Considerations

Direct substitutes include other DDTA144 variants from Diodes Incorporated or equivalent PNP pre-biased transistors with identical 47 kΩ internal resistance and SOT-23 packaging. Verify that any replacement matches the -50 V breakdown voltage and -100 mA current ratings to maintain circuit integrity without redesign.