JANTX1N5309UR-1

Current Regulation - Diodes, Transistors Overview

The JANTX1N5309UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the DO-213AB (MELF) package and provides a regulated current of 3.3 mA with a maximum voltage rating of 100 V. The device supports a power dissipation of 500 mW and functions across an extended temperature range from -65°C to +175°C junction temperature. This component belongs to the military-grade series compliant with MIL-PRF-19500/463 specifications.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable constant current regulation suitable for precision circuit applications
• Constructed in hermetically sealed glass MELF package for environmental durability
• Engineered for high-temperature operation up to 175°C junction temperature

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems requiring radiation-hardened or high-reliability components
• Precision current limiting circuits in harsh environments
• Constant current sources for sensor biasing and LED driving in defense equipment

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm surface-mount MELF packaging and military qualification status. Ensure compatibility with DO-213AB footprint requirements during procurement planning. Confirm RoHS exemption status as indicated by manufacturer data sheets prior to integration into final assemblies.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a surface-mount current regulator with high thermal stability is required. Compare electrical parameters such as 3.3 mA regulation current and 100 V breakdown voltage against circuit design constraints. Evaluate the DO-213AB package dimensions for PCB layout compatibility and verify operating temperature ranges meet system environmental specifications.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5309 family of current regulator diodes produced under military specifications. The JANTX designation indicates enhanced screening levels compared to standard commercial variants. The UR-1 suffix specifically denotes the surface-mount MELF configuration, distinguishing it from through-hole axial equivalents like the JANTXV1N5309-1.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JANTXV1N5309-1 for through-hole applications and 1N5309 for commercial grade usage. Verify pinout compatibility and package dimensions before substitution. Consult Microchip datasheets for detailed electrical parameter comparisons between military and commercial variants.