JAN1N5313UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5313UR-1 is a surface-mount current regulator diode manufactured by Microchip Technology. It operates in the DO-213AB (MELF) package and is qualified to MIL-PRF-19500/463 standards for military applications. The device regulates current at 4.73 mA with a maximum power dissipation of 500 mW. It functions as a constant current source over a broad voltage range, serving as an alternative to Zener diodes which regulate voltage. The component utilizes silicon technology and features a round-end design suitable for SMD/SMT mounting.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation across a wide operating voltage range
• Qualified for military environments under MIL-PRF-19500/463 specifications
• Utilizes hermetically sealed glass MELF packaging for reliability

Current Regulation - Diodes, Transistors Applications

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

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 indicates the surface mount MELF configuration distinct from axial leaded variants. Confirm MIL-PRF-19500/463 qualification status is required for the intended aerospace or defense application. Check RoHS compliance status as military grades may differ from commercial equivalents. Ensure sourcing channels provide traceability documentation consistent with military procurement standards.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current sink is required independent of supply voltage fluctuations within the specified range. Compare against the JAN1N5312UR-1 if a lower current value of 4.29 mA is sufficient for the circuit design. Consider the JANTX1N5313UR-1 variant if tighter tolerance specifications are mandated by the system requirements. Verify thermal management capabilities align with the 500 mW power dissipation limit in the final assembly.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N53xx series of current regulator diodes produced by Microchip/Microsemi. The series offers various current values ranging from 0.22 mA to 4.7 mA in standard 10% tolerances. The UR-1 suffix denotes the surface mount version packaged in the DO-213AB form factor, providing a compact alternative to traditional axial packages like DO-7 or DO-35.

Current Regulation - Diodes, Transistors Replacement Considerations

JAN1N5312UR-1: Offers similar regulation but at a lower current of 4.29 mA. JANTX1N5313UR-1: Provides the same electrical characteristics with potentially stricter manufacturing controls. Commercial equivalents such as the 1N5313UR-1 lack military qualification and environmental hardening.