JANS1N5305UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5305UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface mount applications in the DO-213AB (MELF) glass package. It belongs to the MIL-PRF-19500/463 military series and features a maximum peak operating voltage of 100V with a typical regulator current of 1.43mA. The device supports an extended operating temperature range from -65°C to +175°C and has a maximum power dissipation of 475mW. It is supplied in bulk packaging.

Current Regulation - Diodes, Transistors Feature Summary

• Radiation-hardened design suitable for space and high-reliability environments
• Surface mount MELF construction for compact circuit integration
• Military-grade qualification under MIL-PRF-19500/463 standards

Current Regulation - Diodes, Transistors Applications

• Spacecraft electronic systems requiring radiation tolerance
• High-reliability military instrumentation circuits
• Current limiting and regulation in harsh environment electronics

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific revision level and lot traceability documentation upon order confirmation. Ensure that the procurement channel provides valid certification for the MIL-PRF-19500/463 standard. Confirm that the delivered units match the JANS prefix requirements for radiation hardness. Request full material and test reports to validate compliance with military specifications before final acceptance.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when radiation tolerance and wide temperature operation are mandatory. Compare the 1.43mA current rating against circuit load requirements. Verify that the DO-213AB footprint matches the PCB layout constraints. Consider the 475mW power dissipation limit during thermal analysis. Ensure the 100V breakdown voltage exceeds the maximum circuit potential.

Current Regulation - Diodes, Transistors Part Context

This part is part of the 1N53xx series of current regulator diodes produced by Microchip. The JANS suffix indicates a specific subset of the family qualified for space applications with enhanced radiation hardness compared to commercial or standard military variants. It shares the same electrical characteristics as other members of the series but differs in manufacturing controls and testing protocols.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JAN1N5305UR-1 for non-radiation-hardened military use or JANTXV1N5305UR-1 for higher reliability military grades without space qualification. Verify pinout compatibility and ensure the replacement meets the required radiation dose specifications if used in aerospace contexts.