JANS1N5284UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5284UR-1 is a current regulator diode manufactured by Microchip Technology, designed for high-reliability applications. It operates with a maximum peak working voltage of 100V and maintains a regulated current of 264µA. The device features a maximum limit voltage of 1V and dissipates up to 500mW of power. It is housed in a DO-213AB-2 surface-mount package, suitable for automated assembly processes. The component supports an extended operating temperature range from -65°C to +175°C, ensuring functionality in extreme environments. This part belongs to the JANS series, indicating qualification for space-grade requirements.

Current Regulation - Diodes, Transistors Feature Summary

• Space-qualified reliability for harsh environment operations
• Constant current regulation across wide temperature ranges
• Surface-mount MELF package for compact PCB integration

Current Regulation - Diodes, Transistors Applications

• Satellite power management systems
• Spacecraft sensor biasing circuits
• High-reliability aerospace instrumentation

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific JANS suffix confirms full space qualification standards required for your mission profile. Confirm RoHS exemption status as military/space parts often fall outside standard compliance. Ensure the DO-213AB-2 package matches your board layout constraints. Validate that the 264µA regulation current meets the precise needs of your circuit design without external trimming.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when space-grade radiation hardness and thermal stability are mandatory. Compare against JAN series variants if terrestrial military specs suffice, noting potential cost differences. Ensure the 100V breakdown voltage aligns with your system's maximum supply rails. Consider the 500mW power dissipation limit when designing thermal management strategies for enclosed spacecraft enclosures.

Current Regulation - Diodes, Transistors Part Context

This device is part of Microchip’s broader 1N5284 family, which includes various packaging and qualification options. The JANS designation specifically denotes space-grade screening and testing protocols distinct from commercial or standard military JAN versions. It shares electrical characteristics with other 1N5284 variants but differs in manufacturing traceability and environmental testing rigor.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JANS-qualified current regulators from Microchip with identical 264µA ratings. Verify pinout compatibility with the DO-213AB-2 package before replacing. Cross-reference with equivalent space-qualified parts from other vendors only if they meet the same MIL-PRF-19500 specifications.