JANS1N5291UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JANS1N5291UR-1/TR is a current regulator diode manufactured by Microchip Technology. It operates with a maximum voltage of 100V and regulates current at 616µA, dissipating up to 500mW. The component utilizes a DO-213AB-2 (SOD-80) surface-mount package and is supplied in tape-and-reel format. Designed for high reliability, it meets the JANS qualification level per MIL-PRF-19500/463, ensuring suitability for space applications requiring radiation hardness.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation across a broad voltage range
• Qualified for space environments under JANS standards
• Utilizes compact surface-mount packaging for automated assembly

Current Regulation - Diodes, Transistors Applications

• Spacecraft electronic systems
• Radiation-hardened circuit designs
• High-reliability military avionics

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm the tape-and-reel packaging configuration. Ensure that the JANS qualification level aligns with project radiation hardness requirements. Confirm availability through authorized distributors as supply status may vary.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise current regulation function is required in a space-qualified environment. Compare the 616µA regulation point against circuit load requirements. Verify that the 100V breakdown voltage exceeds the maximum operating voltage in the application circuit.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the 1N5283-1 through 1N5314-1 series of current regulator diodes. These devices serve as counterparts to Zener diodes by regulating current over a broad voltage range rather than voltage over a broad current range. The series offers various current values in standard tolerances within axial-leaded or surface-mount packages.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult official substitution lists for equivalent JANS-qualified current regulators. Verify pinout compatibility and electrical parameter alignment before replacing components in existing radiation-hardened designs.