CD5283

Current Regulation - Diodes, Transistors Overview

The CD5283 is a current regulator diode manufactured by Microchip Technology, designed for applications requiring stable current regulation. It features a maximum regulator current of 363 µA and supports a peak operating voltage up to 100 V. The device has a maximum limiting voltage of 1 V and operates within a temperature range from -55 °C to +175 °C. Packaged in the DO-7-2 axial through-hole format, it offers a minimum dynamic impedance of 25 mOhms and a minimum knee impedance of 2.75 mOhms. With a power dissipation rating of 500 mW, this single-configuration component is suitable for robust electronic circuits.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation with high stability across varying load conditions
• Capable of withstanding high peak operating voltages up to 100 V
• Operates reliably in extreme environments with an extended temperature range

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED biasing
• Current limiting protection in sensitive circuits
• Reference current generation in analog signal processing

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix and package variant when sourcing, as availability may vary between distributors. Confirm RoHS compliance status directly with the manufacturer or authorized supplier, as historical data indicates potential variations. Ensure the procurement channel provides valid traceability documentation for quality assurance purposes.

Current Regulation - Diodes, Transistors Selection Notes

Select the CD5283 when a fixed current of approximately 363 µA is required at low voltage drops. Compare against the CD5287 if a different current level such as 363 µA in surface mount packaging is preferred. Evaluate thermal management requirements given the 500 mW power dissipation limit and ensure the circuit design accommodates the 1 V limiting voltage drop.

Current Regulation - Diodes, Transistors Part Context

The CD5283 belongs to the CD528x series of current regulator diodes produced by Microchip Technology. This family includes various part numbers differentiated primarily by their regulated current values and physical package types. The CD5283 specifically utilizes the traditional DO-7 through-hole package, distinguishing it from surface-mount variants like the CD5287 within the same functional lineage.

Current Regulation - Diodes, Transistors Replacement Considerations

The JAN1N5283-1/TR serves as a verified military-grade equivalent offering identical electrical specifications including 242 µA regulation current and DO-7 packaging. For surface-mount needs, the CD5287 provides similar functionality but requires PCB layout adjustments due to its SMD form factor.