CD5313

Current Regulation - Diodes, Transistors Overview

The CD5313 is a current regulator diode manufactured by Microchip Technology, designed for precise current control in surface-mount applications. It operates within the DO-213AB-2 package and supports a maximum regulated current of 4.73 mA. The device features a maximum limit voltage of 2.75 V and a peak operating voltage of 100 V. It exhibits a minimum dynamic impedance of 245 kOhms and a minimum knee impedance of 14 kOhms. The component functions reliably across an extended temperature range from -65°C to +175°C.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation with high dynamic impedance characteristics
• Supports wide operational temperature ranges suitable for harsh environments
• Designed for surface-mount installation in compact electronic circuits

Current Regulation - Diodes, Transistors Applications

• Precision current limiting in sensor interfaces
• Biasing elements for analog signal processing circuits
• Protection components in low-voltage power management systems

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix e3 for lead-free compliance when sourcing this component. Confirm that the DO-213AB-2 package dimensions align with your PCB footprint requirements. Ensure that the maximum peak operating voltage of 100 V exceeds the transient voltages present in your target circuit design to prevent device failure during operation.

Current Regulation - Diodes, Transistors Selection Notes

Select the CD5313 when a fixed current source is required without complex feedback loops. Its high dynamic impedance makes it suitable for maintaining constant current despite voltage fluctuations. Consider the thermal performance at +175°C if deploying in high-heat industrial settings. Verify that the 4.73 mA output matches the load requirements precisely before integration into the final assembly.

Current Regulation - Diodes, Transistors Part Context

This component belongs to Microchip Technology's discrete diode portfolio, specifically categorized under current regulator diodes. It complements their broader range of passive and active semiconductor solutions used in embedded systems. The part is distinct from voltage regulators like the MIC5313 series, focusing solely on current stabilization rather than voltage conversion or regulation tasks.

Current Regulation - Diodes, Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Microchip Technology channels for qualified alternatives or cross-reference data sheets for compatible current regulator diodes with similar impedance and voltage specifications.