JAN1N5297UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5297UR-1 is a silicon current regulator diode manufactured by Microchip Technology. It operates in the surface-mount DO-213AB (MELF) package and is qualified to MIL-PRF-19500/463 for military applications. The device maintains a stable source current of 1 mA with a maximum limiting voltage of 1.35 V. It functions over an extended temperature range from -55°C to +175°C junction temperature. This component serves as a high-impedance constant current source, providing regulation across a broad voltage range.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation suitable for biasing circuits
• Hermetically sealed glass MELF package for harsh environments
• Qualified to strict military reliability standards

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems
• High-reliability industrial instrumentation
• Constant current biasing for semiconductor devices

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and qualification level. Ensure the procurement channel provides traceability documentation required for military-grade components. Confirm that the received part matches the JAN prefix specifications before integration into sensitive designs.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed 1 mA current source is required in a compact surface-mount form factor. Consider the DO-213AB package constraints for PCB layout. Evaluate thermal management requirements given the 175°C maximum junction temperature limit and the 500 mW power dissipation capability inherent to the series.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of current regulator diodes produced by Microchip. These devices offer a functional alternative to Zener diodes by regulating current rather than voltage. The JAN designation indicates it meets the basic military performance requirements defined in MIL-PRF-19500/463.

Current Regulation - Diodes, Transistors Replacement Considerations

Equivalent parts include JANTX1N5297UR-1 and JAN1N5297-1. Verify pinout compatibility and electrical tolerance differences before substitution. Cross-reference with other manufacturers offering MIL-PRF-19500/463 qualified current regulators.