JANS1N5294UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5294UR-1 is a current regulator diode manufactured by Microchip Technology. It operates in the SMD/SMT package style within the DO-213AB-2 (MELF, LL41) form factor. The device provides a regulated current of 825 µA with a maximum voltage rating of 100 V and a power dissipation capacity of 475 mW. It is classified under Diodes & Rectifiers and specifically Current Regulator Diodes. The component weighs 114 mg and is supplied in bulk packaging. It does not comply with RoHS standards.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed glass MELF construction for environmental protection
• Constant current regulation capability for circuit stability
• Surface-mount design compatible with automated assembly processes

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems requiring radiation hardness
• Spacecraft instrumentation and control circuits
• High-reliability defense communication equipment

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 to confirm the surface-mount MELF configuration and hermetic sealing status. Confirm RoHS non-compliance and military-grade qualification requirements prior to integration. Ensure the procurement channel supports the handling of sensitive military components and validates the manufacturer source directly from Microchip or authorized distributors.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a hermetically sealed, surface-mount current regulator is required for harsh environments. Compare the 825 µA regulation point against circuit biasing needs. Verify that the DO-213AB footprint matches the PCB layout constraints. Ensure the 100 V breakdown voltage exceeds the maximum operating voltage in the application circuit.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5294 series of current regulator diodes produced by Microchip Technology. It shares functional characteristics with other members of the JAN and JANTX families but differs in packaging and qualification level. The UR-1 suffix denotes the specific round-end surface-mount variant designed for high-reliability applications.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JANTX1N5294UR-1 and JAN1N5294UR-1. These variants share the same electrical specifications and package type but may differ in radiation hardness or quality assurance levels. Verify compatibility with system reliability requirements before substitution.