CDLL5290

Current Regulation - Diodes, Transistors Overview

The CDLL5290/TR is a surface-mount current regulator diode manufactured by Microchip Technology. It features a fixed regulated current of 517µA and a maximum reverse voltage rating of 100V. The device dissipates up to 500mW of power and operates within an extended temperature range from -65°C to +175°C. Packaged in the DO-213AB MELF glass enclosure, it provides stable current regulation for electronic circuits.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation at a fixed value of 517µA
• Supports high-voltage operation with a 100V maximum reverse voltage rating
• Engineered for high-temperature environments with a maximum operating limit of 175°C
• Utilizes a compact glass MELF package suitable for surface-mount assembly

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED driving circuits
• Biasing elements for transistor amplifier stages
• Current limiting protection in sensitive electronic loads
• Reference current generation in analog signal processing systems

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific part number includes the /TR suffix to confirm reel packaging, as this affects handling procedures. Confirm the manufacturer is Microchip Technology to ensure compliance with specified electrical tolerances. Check the datasheet for exact leakage current limits under varying thermal conditions before finalizing component selection for production runs.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise, low-current regulation value near 517µA is required without complex feedback loops. Consider the 500mW power dissipation capability relative to the voltage drop across the device to ensure thermal stability. Evaluate the DO-213AB package dimensions against available board space constraints during the layout phase.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the CDLL series of current regulator diodes produced by Microchip Technology. These components are designed to replace discrete resistor-based current sources, offering superior stability against supply voltage fluctuations and temperature variations. The series supports various fixed current values tailored for specific industrial and commercial applications.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes must match the 517µA regulated current and 100V voltage rating. Verify that alternative parts support the same DO-213AB MELF package and operate within the -65°C to +175°C temperature range to maintain system reliability.