CDLL5299/TR

Current Regulation - Diodes, Transistors Overview

The CDLL5299/TR is a current-regulating diode manufactured by Microchip Technology, designed for applications requiring stable current limiting. It operates within a voltage range up to 100V and supports a maximum regulator current of 1.32mA. The device features a power dissipation rating of 475mW and is housed in an axial DO-7 (DO-204AA) package suitable for through-hole mounting. It functions across an extended temperature range from -55°C to +175°C. This component provides a fixed current output independent of voltage variations within its specified limits.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation without external components
• Operates at high temperatures up to 175°C
• Supports reverse polarity connection due to diode structure

Current Regulation - Diodes, Transistors Applications

• LED current limiting and regulation
• Battery charging current control
• Transistor biasing circuits

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix TR indicates reel packaging when ordering. Confirm the manufacturer part number matches Microchip's official documentation. Ensure the axial DO-7 package aligns with PCB footprint requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a simple, passive current limit is required for low-current applications. The 1.32mA rating suits small signal LEDs or bias networks. Consider the 100V breakdown voltage for higher voltage drops across the load. The wide operating temperature range allows use in harsh environments where standard diodes might fail.

Current Regulation - Diodes, Transistors Part Context

This part belongs to Microchip's discrete diode portfolio, specifically the current-regulating category. It serves as a cost-effective alternative to active current sources in simple circuits. The DO-7 package offers robustness for through-hole manufacturing processes common in industrial and automotive electronics.

Current Regulation - Diodes, Transistors Replacement Considerations

Check datasheets for equivalent current ratings around 1.32mA and similar voltage limits. Verify package compatibility for direct replacement. Ensure thermal characteristics match the application's heat dissipation needs.