CDLL5309/TR

Current Regulation - Diodes, Transistors Overview

The CDLL5309/TR is a current regulator diode manufactured by Microchip Technology, designed for applications requiring stable current regulation. It operates within a temperature range of -65°C to +175°C and features a maximum limit voltage of 2.25 V. The device regulates a maximum current of 3.3 mA with a peak operating voltage capability of 100 V. Packaged in the DO-213AB-2 (SOD-80) surface-mount format, it dissipates up to 500 mW of power. This component is supplied in reel packaging for automated assembly processes.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation across a wide temperature range
• Capable of handling high peak voltages up to 100 V
• Compact surface-mount package suitable for space-constrained designs

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED driving circuits
• Biasing networks for transistor amplifiers
• Current limiting protection in sensitive electronic loads

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix and tape-and-reel quantity against the manufacturer's latest datasheet before ordering. Confirm that the DO-213AB-2 footprint matches your PCB design requirements. Ensure compliance with RoHS directives if required by your project specifications. Check for any recent production changes or obsolescence notices from Microchip Technology.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source is needed without complex feedback loops. Consider the 3.3 mA regulation value and 500 mW power dissipation limits relative to your circuit's thermal environment. The high voltage tolerance allows use in higher potential difference scenarios compared to standard Zener diodes.

Current Regulation - Diodes, Transistors Part Context

This part belongs to Microchip's line of current regulator diodes, often compatible with industry-standard JEDEC numbering schemes. It serves as a solid-state alternative to resistor-based current limiting, offering better stability over temperature variations. The TR suffix indicates reel packaging for high-volume surface-mount manufacturing.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes may include other current regulator diodes with similar 3.3 mA regulation and DO-213AB-2 packaging. Verify pinout compatibility and electrical parameters such as limit voltage and power dissipation before substitution.