JAN1N5303UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5303UR-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military and aerospace applications under the MIL-PRF-19500/463 specification. It operates in a surface-mount DO-213AB (MELF) package with a tape-and-reel configuration. The device provides a regulated current of 1.76 mA at a maximum voltage of 100 V, with a power dissipation rating of 500 mW. It functions within an extended temperature range from -65°C to +175°C junction temperature.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Surface-mount MELF package design for automated assembly
• Extended operating temperature range suitable for harsh environments

Current Regulation - Diodes, Transistors Applications

• Current limiting in military electronic circuits
• Biasing networks for semiconductor devices
• Constant current sources in aerospace instrumentation

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific JAN1N5303UR-1/TR part number matches the required MIL-PRF-19500/463 qualification level. Confirm the DO-213AB MELF package type and tape-and-reel packaging format align with manufacturing requirements. Ensure the supplier provides valid traceability documentation for military-grade components.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 1.76 mA current is required in a compact surface-mount form factor. Consider the 100 V breakdown voltage and 500 mW power dissipation limits during circuit design. Verify compatibility with high-temperature operation up to 175°C junction temperature for demanding environments.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the JAN1N5303 series of current regulator diodes produced by Microchip Technology. The UR-1 suffix indicates the surface-mount MELF package variant, while the /TR suffix denotes tape-and-reel packaging. These components are part of Microchip's broader portfolio of qualified discrete semiconductors for defense and space applications.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JAN1N5303 variants such as JAN1N5303-1 for through-hole applications or JAN1N5303-1/TR for reel-packaged axial leads. Cross-reference with equivalent MIL-PRF-19500/463 qualified current regulators from other manufacturers if package constraints allow.