JANTX1N5312-1/TR

Current Regulation - Diodes, Transistors Overview

The JANTX1N5312-1/TR is a current regulator diode manufactured by Microchip Technology. It provides a regulated current of 3.96 mA with a maximum voltage rating of 100 V and a power dissipation of 500 mW. The device utilizes a DO-7-2 through-hole package and operates within a temperature range of -65°C to +175°C. Key electrical characteristics include a minimum dynamic impedance of 280 kΩ and a minimum knee impedance of 24 kΩ, ensuring stable regulation under varying load conditions.

Current Regulation - Diodes, Transistors Feature Summary

• Provides precise constant current regulation for sensitive circuit applications
• Capable of operation in extreme thermal environments up to 175°C
• Features high dynamic impedance for improved stability against voltage fluctuations

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems requiring radiation-hardened components
• High-reliability instrumentation circuits needing stable bias currents
• Aviation communication equipment operating in harsh environmental conditions

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific JAN suffix requirements against MIL-PRF-19500 standards to ensure compliance with military-grade specifications. Confirm that the DO-7-2 package dimensions match the target PCB footprint. Check for RoHS non-compliance status if environmental regulations apply to the final assembly. Validate supplier authenticity to prevent counterfeit parts in critical defense or aerospace supply chains.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source is required without active feedback loops. Ensure the circuit voltage does not exceed the 100 V peak limit. Consider the 500 mW power dissipation capability for thermal management. Compare with standard commercial variants if military qualification is unnecessary to reduce costs. Verify lead availability due to potential long production cycles associated with specialized packaging.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N531x series of current regulator diodes produced by Microchip Technology. It serves as a ruggedized alternative to commercial equivalents, designed for durability in demanding environments. The JANTX designation indicates enhanced screening and testing protocols beyond standard military grades. It complements other diodes in the family offering different current levels while maintaining similar form factors.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include the JAN1N5312-1 for standard military grade performance. Commercial equivalents like the 1N5312 offer similar electrical parameters but lack radiation hardening. Verify pinout compatibility and thermal resistance values before swapping. Ensure the replacement meets the specific impedance requirements of the original design.