JAN1N5297-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5297-1 is a silicon current regulator diode manufactured by Microchip Technology, designed for military applications under the MIL-PRF-19500/463 qualification standard. It operates in an axial DO-7 (DO-204AA) through-hole package with hermetic sealing. The device regulates a steady source current of 1 mA with a maximum limiting voltage of 1.35 V. It supports a wide operating temperature range from -55°C to 175°C and handles a maximum power dissipation of 500 mW.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation over a broad voltage range, serving as a functional counterpart to Zener diodes which regulate voltage.
• Features a double-plug internal bond connection within the DO-7 packaging to support its unique current limiting function.
• Qualified for high-reliability military environments including JAN, JANTX, JANTXV, and JANS levels.

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED driving and biasing circuits in aerospace systems.
• Current limiting protection in sensitive military electronic assemblies.
• Reference current generation in instrumentation requiring stable performance across extreme temperatures.

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the supplier provides official documentation confirming compliance with MIL-PRF-19500/463 standards. Ensure the specific grade (JAN, JANTX, etc.) matches the design requirements. Request traceability records and lot test reports to confirm authenticity and quality control measures for defense-grade components.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 1 mA current source is required in a through-hole axial package. Compare against commercial equivalents if military qualification is not mandatory. Consider the JANTX1N5297UR-1 variant for surface-mount MELF applications while maintaining similar electrical characteristics.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the popular 1N5283-1 through 1N5314-1 series of 0.5 watt current regulators. These devices offer a selection of currents from 0.22 mA to 4.7 mA in standard 10% tolerances. The series is widely used in military electronics where reliable current regulation in small axial packages is essential.

Current Regulation - Diodes, Transistors Replacement Considerations

Publicly confirmed parametric equivalents include JAN1N5297UR-1 for surface mount needs. Other manufacturers such as Aeroflex, MACOM, and Cobham produce compatible versions under the same JEDEC registration numbers.