JANTXV1N5291-1

Overview

The JANTXV1N5291-1 is a silicon current regulator diode manufactured by Microchip Technology. It operates in the through-hole DO-7 (DO-204AA) axial-leaded package. The device provides a regulated current of 0.56 mA with a maximum reverse voltage rating of 100 V and a power dissipation capability of 500 mW. Qualified to MIL-PRF-19500/463 standards, it functions as a constant current source over a broad voltage range. The component supports an operating temperature range from -55 °C to +200 °C.

Feature Summary

• Provides stable current regulation across a wide voltage differential.
• Qualified for high-reliability military and aerospace environments.
• Features double-plug internal bond connection for enhanced mechanical stability.

Applications

• Constant current sources for LED biasing.
• Current limiting protection in sensitive electronic circuits.
• Reference current generation in analog signal processing systems.

Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm compliance with MIL-PRF-19500/463 requirements. Ensure the procurement documentation explicitly states the JANTXV quality level and the DO-7 axial leaded package configuration to match design specifications.

Selection Notes

Select this component when a fixed current sink is required within a wide voltage window. Compare the 0.56 mA nominal current against circuit load requirements. Verify that the 500 mW power dissipation rating accommodates the maximum voltage drop expected in the application without exceeding thermal limits.

Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of 0.5 W current regulators. These devices serve as counterparts to Zener diodes by regulating current rather than voltage. The series offers various current values in standard tolerances, utilizing robust axial-leaded packages suitable for demanding industrial and military applications.

Replacement Considerations

Cross-reference with JAN1N5291 or JANTX1N5291 for lower qualification levels. Commercial equivalents may lack the specified temperature range and reliability certifications required for Mil-Spec applications.