DDC143TU-7-F

Overview

The DDC143TU-7-F is an NPN pre-biased small signal dual surface mount transistor from Diodes Incorporated, housed in a SOT363 package. It features built-in biasing resistors with R1 nominal value of 4.7kΩ and no R2. Key electrical parameters include a collector-base breakdown voltage (BVCBO) of 50V, collector-emitter breakdown voltage (BVCEO) of 50V, and emitter-base breakdown voltage (BVEBO) of 5V. The device supports a maximum output current of 100mA and peak output current of 100mA. DC current transfer ratio (hFE) ranges from 100 to 600 at IC=1mA, VCE=5V. Transition frequency (fT) is typically 250MHz. Power dissipation is 200mW with thermal resistance RθJA of 625°C/W. Operating temperature range is -55°C to +150°C.

Feature Summary

• Integrated NPN transistor with built-in biasing resistor for simplified circuit design
• Epitaxial planar die construction for reliable performance
• Totally lead-free and fully RoHS compliant with halogen and antimony free green device status
• Suitable for automotive applications requiring specific change control with AEC-Q101 qualification

Applications

• Automotive electronics requiring AEC-Q101 qualified components
• General purpose switching and amplification circuits
• Pre-biased logic interface applications

Procurement Notes

Verify the part number DDC143TU-7-F against the official Diodes Incorporated datasheet DS30345 Rev. 20-2 to ensure authenticity. Confirm that the marking code N07 matches the component. Check for RoHS compliance and halogen-free status as specified. Ensure the supplier provides traceability documentation if required for automotive or industrial applications. Validate packaging details such as reel size and tape width before ordering.

Selection Notes

Select this component when a single NPN transistor with integrated base biasing is needed to reduce board space and component count. The SOT363 package offers a compact solution for dual-transistor functions where only one transistor is utilized. Consider the 4.7kΩ internal resistor value for appropriate base drive requirements. Ensure the application operates within the -55°C to +150°C temperature range and does not exceed the 200mW power dissipation limit.

Part Context

The DDC143TU-7-F belongs to the DDC(XXXX)U family of NPN pre-biased transistors. This family includes various resistor combinations and complementary PNP types (DDA). The DDC143TU specifically integrates a single 4.7kΩ resistor (R1) connected to the base. Other variants like DDC113TU use 1kΩ, while DDC114TU uses 10kΩ. The UQ suffix indicates automotive qualification. All parts share the SOT363 package and similar electrical characteristics.

Replacement Considerations

No direct substitute part numbers are listed in the provided datasheet for DDC143TU-7-F. NRND parts in the family recommend using ADC series equivalents, but these are not confirmed substitutes for active parts. Verify compatibility with existing circuit designs before considering alternative manufacturers.