JANS1N5301UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5301UR-1 is a hermetically sealed silicon current regulator diode manufactured by Microchip Technology. It utilizes the DO-213AB (MELF) surface-mount package and complies with MIL-PRF-19500/463G specifications for military applications. The device provides stable current regulation across an operating temperature range of -65°C to +175°C. Key electrical parameters include a regulated current of 1.43 mA, a maximum limiting voltage of 1.85 V, and a power dissipation rating of 475 mW. The component features isolated case connection and metallurgical bonding.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed construction in a glass MELF package for harsh environment reliability
• Stable current regulation performance over extended industrial and military temperature ranges
• Compliance with MIL-PRF-19500/463G standards for defense and aerospace procurement

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring radiation-hardened or high-reliability components
• Aerospace circuits demanding precise constant current sources
• Harsh environment instrumentation utilizing surface-mount current regulation

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the ordering suffix UR-1 corresponds to the specific reel packaging configuration required for automated assembly processes. Confirm that the JAN prefix indicates standard military qualification levels rather than enhanced screening options like JANTX or JANS unless explicitly specified in the purchase order documentation.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed 1.43 mA current source is required in a compact surface-mount form factor. Ensure the circuit design accommodates the 1.85 V maximum limiting voltage drop. Verify that the thermal management strategy supports the 475 mW power dissipation capability within the intended operating temperature envelope.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5301 series of current regulator diodes produced under the MIL-PRF-19500/463G specification. It serves as a specialized semiconductor device designed for applications where traditional resistors cannot maintain consistent current levels under varying voltage conditions or extreme environmental stresses.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct replacements must match the DO-213AB package and 1.43 mA regulation current. Cross-reference with other manufacturers offering MIL-PRF-19500/463G qualified devices. Verify pinout compatibility and thermal characteristics before substituting non-Microchip equivalents.