JAN1N5312UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5312UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the MIL-PRF-19500/463 military specification series. The device provides a regulated current of 4.29 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. It utilizes a DO-213AB (MELF) glass package, ensuring reliability in harsh environments. The component supports an operating temperature range from -65°C to +175°C, making it suitable for high-temperature industrial and aerospace systems requiring stable current regulation.

Current Regulation - Diodes, Transistors Feature Summary

• Military-grade reliability compliant with MIL-PRF-19500/463 standards
• Surface-mount MELF glass package for compact integration
• Wide operating temperature range supporting extreme thermal conditions

Current Regulation - Diodes, Transistors Applications

• Aerospace and defense electronic circuits
• High-temperature industrial control systems
• Precision current limiting and regulation tasks

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix UR-1 indicates the round-end surface-mount variant. Confirm MIL-PRF-19500/463 compliance requirements match project specifications. Check for RoHS exemptions as military parts often carry non-RoHS status. Validate package integrity upon receipt due to the fragile glass MELF construction.

Current Regulation - Diodes, Transistors Selection Notes

Select this part when a fixed current source is required in a space-constrained surface-mount layout. Ensure the circuit voltage does not exceed the 100 V maximum rating. Consider the 500 mW power dissipation limit when designing thermal management solutions for enclosed enclosures or high ambient temperatures.

Current Regulation - Diodes, Transistors Part Context

This component belongs to the JAN1N53xx series of current regulator diodes produced under military specifications. It shares functional similarities with commercial equivalents but offers enhanced radiation hardness and temperature stability. The JAN prefix denotes military qualification, distinguishing it from standard commercial grade devices in terms of testing and traceability.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JAN1N5312 variants with different packaging if through-hole is acceptable. Verify equivalent current tolerance and voltage ratings before replacing with commercial-grade current regulator diodes.