JANS1N5311UR-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5311UR-1 is a current regulator diode manufactured by Microchip Technology. It provides a constant current of 3.96 mA with a maximum voltage rating of 100 V and a power dissipation of 500 mW. The component utilizes a DO-213AB-2 surface-mount package, also known as MELF or LL41. Designed for high-reliability environments, it operates within a junction temperature range of -65°C to 175°C. This device belongs to the military-grade series compliant with MIL-PRF-19500/463 standards.

Current Regulation - Diodes, Transistors Feature Summary

• Maintains stable current regulation across varying voltage conditions
• Constructed in a glass-encapsulated MELF package for robustness
• Qualified for extended industrial and military temperature ranges

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED biasing
• Current limiting protection in sensitive circuits
• Biasing elements for transistor amplifier stages

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 against the official datasheet to confirm the package type and qualification level. Ensure that the required operating temperature range aligns with the specified -65°C to 175°C junction limit. Confirm compliance with relevant military specifications if the application demands strict environmental resilience.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source is required without active feedback loops. Compare the 3.96 mA output against circuit requirements to ensure proper biasing. Consider the DO-213AB-2 footprint constraints during PCB layout design to ensure adequate thermal management and mechanical stability.

Current Regulation - Diodes, Transistors Part Context

This part is part of the 1N53xx series of current regulator diodes from Microchip. It shares functional similarities with other devices in the family but differs in specific current ratings and voltage limits. The JANS prefix indicates a specific military grade variant within the broader product line.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JAN1N5311UR-1 and JANTX1N5311UR-1. Verify pinout compatibility and electrical parameter tolerances before substitution. Consult the manufacturer's cross-reference guide for additional equivalent parts.