JANTX1N5301-1

Current Regulation - Diodes, Transistors Overview

The JANTX1N5301-1 is a current regulator diode manufactured by Microchip Technology, designed for military and aerospace applications under the MIL-PRF-19500/463 series. It utilizes a DO-204AA (DO-7) through-hole glass encapsulation. The device provides a steady-state power dissipation of 500 mW at a lead temperature of 75°C. Key electrical parameters include a maximum knee impedance of 115,000 ohms and a maximum limiting voltage of 1.55 V. It operates within a junction temperature range of -55°C to +200°C.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed glass MELF or axial package construction for environmental protection
• Military-grade reliability compliant with MIL-PRF-19500/463 specifications
• High thermal stability supporting operation up to 200°C junction temperature

Current Regulation - Diodes, Transistors Applications

• Precision constant current sources in military avionics systems
• Biasing circuits for sensitive semiconductor devices in harsh environments
• Current regulation in aerospace instrumentation requiring high reliability

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix designation against the official Microchip datasheet to confirm exact qualification level and testing requirements. Ensure the procurement channel is an authorized distributor for military-grade components to guarantee traceability and authenticity. Confirm RoHS status as these parts may contain lead.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable, low-voltage current source is required in space-constrained or high-reliability designs. Compare the 1.55 V limiting voltage and 115 kΩ knee impedance against circuit requirements. Ensure the DO-7 package fits the PCB layout and that the 500 mW power dissipation rating accommodates the thermal design.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5301 family of current regulator diodes produced by Microchip Technology. It shares functional characteristics with commercial variants but meets stricter military standards for radiation hardness, temperature range, and long-term stability defined by MIL-PRF-19500/463.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct replacements must match the MIL-PRF-19500/463 specification. Verify equivalent parts from other qualified manufacturers offering the same DO-7 package and 1.55 V limiting voltage. Ensure thermal and electrical parameters align with the original design constraints.