DCX143TK-7-F

Overview

The DCX143TK-7-F is a dual complementary pre-biased transistor in an SOT26 package. It integrates NPN and PNP sections with built-in biasing resistors. The NPN section features a collector-emitter breakdown voltage of 50V, continuous output current of 100mA, and total power dissipation of 300mW. The input resistor R1 is 4.7kΩ. Transition frequency is typically 250MHz. Operating temperature range spans from -55°C to +150°C.

Feature Summary

• Dual complementary configuration integrating NPN and PNP transistors
• Built-in biasing resistors simplify circuit design
• Totally lead-free and fully RoHS compliant construction

Applications

• Automotive applications requiring specific change control
• General purpose switching circuits
• Driver applications for logic interfaces

Procurement Notes

Verify component authenticity through authorized Diodes Incorporated distributors or direct channels. Confirm the obsolete status indicated in official documentation before finalizing procurement plans. Ensure compliance with environmental directives such as RoHS 3 and REACH requirements during sourcing. Validate packaging specifications against project needs.

Selection Notes

Select this component when a compact dual complementary solution is required. Verify that the 4.7kΩ input resistor matches the driving interface requirements. Ensure the 300mW power dissipation rating accommodates thermal constraints within the target application environment.

Part Context

This part belongs to the DCX series of dual complementary pre-biased transistors manufactured by Diodes Incorporated. It utilizes epitaxial planar die construction for reliable performance. The device is housed in a surface mount SOT26 case designed for automated assembly processes.

Replacement Considerations

The datasheet lists DCX143TK-7-F as Obsolete. No specific replacement part numbers are provided in the source material. Consult Diodes Incorporated directly for potential alternative components.