CDLL5289/TR

Current Regulation - Diodes, Transistors Overview

The CDLL5289/TR is a current-regulating diode manufactured by Microchip Technology, designed for applications requiring constant current control. It operates within an ambient temperature range of -65°C to +175°C and features a maximum voltage rating of 100V between the anode and cathode. The device regulates current at a maximum value of 473µA with a typical forward voltage drop of 1.05V. It is housed in a DO-7 axial package (DO-204AA) and supports surface-mount installation. The component has a power dissipation capacity of 500mW and complies with RoHS3 standards.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation suitable for protecting sensitive circuit components from overcurrent conditions.
• Operates reliably across a wide industrial temperature range extending up to 175°C junction temperature.
• Features a compact axial leaded package design compatible with standard surface-mount assembly processes.

Current Regulation - Diodes, Transistors Applications

• Current limiting protection for LEDs and laser diodes
• Biasing circuits for analog signal processing stages
• Constant current sources for sensor interfaces

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix and manufacturer lot codes against official Microchip documentation before procurement. Confirm that the DO-7 package dimensions match your PCB footprint requirements. Ensure compliance with RoHS3 directives if required by your manufacturing standards. Check for any recent product change notices regarding assembly sites or material composition updates.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed low-current regulation of approximately 473µA is required. Consider the 100V breakdown voltage limit for high-voltage environments. Evaluate the thermal management needs given the 500mW power dissipation rating. Compare against other current regulator models in the series for different current levels if the specified value does not meet circuit demands.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the CDLL528x series of current-regulating diodes produced by Microchip Technology. These devices are engineered to maintain a nearly constant current regardless of voltage variations across the component. The series offers various current ratings to suit different application requirements while maintaining consistent packaging and performance characteristics.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult Microchip's official cross-reference guides for verified substitutes. Equivalent parts must match the 473µA regulation current, 100V voltage rating, and DO-7 package type. Verify that alternative manufacturers provide comparable temperature stability and leakage current specifications.