CD5289

Current Regulation - Diodes, Transistors Overview

The CD5289 is a current-regulating diode manufactured by Microchip Technology, designed to maintain a stable output current despite variations in voltage or load conditions. It features a maximum reverse voltage rating of 100V and a regulated current of 473µA. The device operates within an extended temperature range of -65°C to 175°C and is housed in a surface-mount package. Its maximum regulator voltage is specified at 1.05V.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation for circuit stability
• Operates reliably across extreme industrial temperature ranges
• Supports high-voltage applications up to 100V

Current Regulation - Diodes, Transistors Applications

• Current limiting in LED driver circuits
• Biasing elements for transistor stages
• Protection against overcurrent in sensitive electronic loads

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix and packaging configuration against the official Microchip datasheet before ordering. Confirm RoHS compliance status and ensure the supplier provides valid traceability documentation. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise microampere-level current source is required without complex external feedback networks. Ensure the operating voltage remains below the 100V limit and that the thermal environment supports the wide -65°C to 175°C specification. Evaluate power dissipation capabilities relative to the 473µA current draw.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the CD528 series of current-regulating diodes from Microchip Technology. These components are engineered for robust performance in harsh environments where standard diodes might fail due to temperature fluctuations or voltage spikes. The series offers a reliable solution for maintaining consistent current flow in analog and digital systems.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult the official CD5283 through CD5314 datasheet for pin-compatible alternatives within the same family. Verify that any substitute maintains the 473µA regulation current and 100V voltage rating. Ensure the replacement package matches the surface-mount requirements of the original design.