DTA123JCA-HF

Overview

The DTA123JCA-HF is a single PNP digital transistor manufactured by Comchip Technology, designed for surface-mount applications. It features an integrated base resistor configuration housed in a SOT-23-3 package. The device supports a maximum collector-emitter voltage of 50V and handles a continuous collector current up to 100mA. Power dissipation is rated at 200mW, with an operating temperature range spanning from -55°C to +150°C. This component integrates internal biasing resistors to simplify circuit design while maintaining reliable switching performance.

Feature Summary

• Integrates internal biasing resistors to reduce external component count
• Supports high-temperature operation up to 150°C
• Provides robust switching capability with 50V voltage rating

Applications

• General-purpose switching circuits
• Driver stages for logic interfaces
• Load control applications

Procurement Notes

Verify the specific suffix 'HF' indicates halogen-free compliance when sourcing. Confirm that the SOT-23-3 package dimensions match the target PCB footprint requirements. Ensure the selected distributor provides valid RoHS documentation consistent with the manufacturer's specifications for this part number.

Selection Notes

Select this component when a compact PNP digital switch is required with integrated base resistance. Compare against similar models like ADTA123YE-HF if lower power dissipation or different packaging is preferred. Verify that the 100mA current rating meets the load requirements of the intended application before finalizing the design.

Part Context

This part belongs to Comchip Technology's digital transistor family, which combines transistors with built-in resistors. These components are engineered to replace multiple discrete parts, thereby saving board space and simplifying assembly processes. The series offers various configurations to suit different voltage and current needs in modern electronic designs.

Replacement Considerations

The ADTA123YE-HF serves as a potential substitute within the same product family, offering comparable functionality. Verify pin compatibility and electrical ratings before substitution. Other generic PNP digital transistors may require additional external components to achieve equivalent performance.