JANTX1N5303UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JANTX1N5303UR-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military and aerospace applications. It operates within a temperature range of -65°C to +175°C and complies with MIL-PRF-19500/463 standards. The device features a maximum anode-to-cathode voltage of 100V and a regulated current of 1.76mA. Power dissipation is rated at 500mW, with a maximum limiting voltage of 1.65V. It utilizes a round-end surface-mount package (DO-213AB) and is supplied in tape-and-reel packaging.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 specifications
• Extended operating temperature range from -65°C to +175°C
• Constant current regulation capability for circuit stability

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring stable bias currents
• Aerospace instrumentation circuits
• High-temperature industrial control environments

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm the round-end SMT package and tape-and-reel configuration. Ensure procurement channels provide valid military lot traceability and compliance certificates required for defense contracts. Confirm RoHS status as non-compliant per standard military part definitions.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a constant current source is needed in high-temperature or radiation-hardened environments. Compare the 1.76mA regulation point against circuit requirements. Ensure the DO-213AB footprint matches the PCB design. Verify that the 100V breakdown voltage exceeds the maximum circuit potential under all operating conditions.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the JAN series of current regulator diodes produced by Microchip's Microsemi division. These devices are engineered for ruggedized applications where standard commercial components fail. The 1N5303 designation indicates a specific current rating within the broader family of similar regulators.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JAN1N5303-1 for through-hole equivalents or other 1.76mA current regulators from qualified manufacturers. Verify pinout compatibility and thermal characteristics before substitution. Cross-reference MIL-PRF-19500/463 listings for approved alternate sources.