CD5297

Current Regulation - Diodes, Transistors Overview

The CD5297 is a current regulator diode manufactured by Microchip Technology, belonging to the CD528 series. It provides a regulated current of 363 µA with a maximum voltage rating of 100 V between anode and cathode. The device operates within a temperature range of -65°C to 175°C and is available in surface-mount packaging on tape and reel.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation across a wide voltage range
• Qualified for high-temperature military applications
• Offers axial-leaded package options for through-hole mounting

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring high reliability
• Current limiting circuits in aerospace equipment
• Biasing networks for semiconductor devices

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix against the official datasheet to confirm tolerance and package type. Ensure the ordering code matches the required MIL-PRF-19500/463 qualification level. Confirm lead times as production cycles may vary significantly for this component class.

Current Regulation - Diodes, Transistors Selection Notes

Select the CD5297 when a fixed 363 µA regulation is required. Compare with commercial equivalents if military qualification is not necessary. Verify that the 100 V breakdown voltage meets the circuit's maximum operating conditions.

Current Regulation - Diodes, Transistors Part Context

This part is part of the CD528 series, which includes variants ranging from 0.22 mA to 4.7 mA. These devices serve as counterparts to Zener diodes, regulating current over a broad voltage range rather than voltage over a broad current range.

Current Regulation - Diodes, Transistors Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation.