CD5293

Current Regulation - Diodes, Transistors Overview

The CD5293 is a current regulator diode manufactured by Microchip Technology, designed for stable current regulation in electronic circuits. It operates within a voltage range of up to 100V and maintains a regulated current of approximately 748µA. The device features a maximum power dissipation of 475mW and a limit voltage of 1.15V. It is housed in a DO-204AA (DO-7) axial through-hole package, suitable for environments ranging from -55°C to 175°C. This component belongs to the 1N5283-1N5314 series, offering reliable performance for precision current control applications.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation with a fixed output current of 748µA
• Operates at high voltages up to 100V with low power consumption
• Features complete junction protection using silicon dioxide technology
• Supports wide operating temperature ranges from -55°C to 175°C

Current Regulation - Diodes, Transistors Applications

• Precision current limiting in analog circuits
• Biasing elements for transistor stages
• Constant current sources for LED drivers
• Protection circuits requiring stable reference current

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix or variant when ordering, as the CD5293 may correspond to specific military or commercial grades within the 1N5283-1N5314 series. Confirm package type availability, as axial leads are standard but check for any special handling requirements. Ensure compatibility with your circuit's voltage and current specifications before finalizing procurement decisions.

Current Regulation - Diodes, Transistors Selection Notes

Select the CD5293 when a precise, temperature-stable current source is required without active components. Consider its 100V breakdown voltage and 748µA regulation point against your load requirements. Evaluate the DO-7 package size for PCB layout constraints. Compare thermal dissipation needs against the 475mW rating to ensure safe operation under all expected conditions.

Current Regulation - Diodes, Transistors Part Context

The CD5293 is part of Microchip's extensive line of current regulator diodes, specifically aligned with the 1N5283 through 1N5314 series. These devices are known for their reliability and are often used in applications where simple, passive current regulation is preferred over complex active circuits. The series offers various current levels, with the CD5293 providing a specific 748µA regulation point.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other parts from the 1N5283-1N5314 series with matching current ratings. Check for equivalent current regulator diodes from other manufacturers that offer similar 748µA regulation and 100V voltage ratings. Ensure any replacement matches the DO-7 axial package dimensions for direct board replacement.