JAN1N5313UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5313UR-1/TR is a surface-mount current regulator diode manufactured by Microchip Technology. It operates within the MIL-PRF-19500/463 military series and utilizes a DO-213AB (MELF, LL41) glass package. The device provides a regulated current of 4.73 mA with a maximum power dissipation of 500 mW. It supports a peak operating voltage of 100 V and functions across an extended temperature range from -65°C to +175°C junction temperature. The component is supplied in tape and reel packaging for automated assembly.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade qualification per MIL-PRF-19500/463 standards
• Round-end SMT construction for reliable surface mounting
• Constant current regulation over a broad voltage range

Current Regulation - Diodes, Transistors Applications

• Current limiting circuits in aerospace systems
• Biasing elements for transistor stages
• Reference current sources in harsh environments

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1/TR against official Microchip documentation to confirm the MELF package and tape-and-reel configuration. Ensure that the military qualification level matches the system requirements. Cross-reference the part number with the manufacturer's latest datasheet to validate electrical parameters and availability status before procurement.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable current source is required in space-constrained surface-mount designs. The wide operating temperature range makes it suitable for extreme environmental conditions. Compare the 4.73 mA regulation point against circuit load requirements to ensure proper biasing without exceeding the 500 mW power dissipation limit.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5313 series of current regulator diodes, which offers various current values from 0.22 mA to 4.7 mA. The JAN prefix indicates military-grade screening, while the UR-1 suffix typically denotes a specific variant or revision within the Microchip portfolio. These devices serve as alternatives to Zener diodes for current regulation applications.

Current Regulation - Diodes, Transistors Replacement Considerations

Check for direct equivalents such as JANS1N5313UR-1 or commercial versions like 1N5313 if military qualification is not mandatory. Verify pinout compatibility and electrical tolerances before substituting. Consult Microchip's obsolescence notices for potential lifecycle changes.