JANS1N4480US

Single Zener Diodes Overview

The JANS1N4480US is a voidless hermetically sealed glass Zener diode manufactured by Microchip Technology. It features a nominal breakdown voltage of 43V with a tolerance of 5% and a power dissipation rating of 1.5W. The device utilizes silicon as the semiconductor material and operates in a unidirectional configuration. It is housed in a two-lead long-form glass package designed for robust construction.

Single Zener Diodes Feature Summary

• Voidless hermetically sealed glass package
• Triple-layer passivation for enhanced durability
• Internal metallurgical bonds for structural integrity

Single Zener Diodes Applications

• Military aerospace systems
• Spacecraft electronics
• High-reliability voltage regulation circuits

Single Zener Diodes Procurement Notes

Verify that the specific part number suffix matches the required qualification level, as military-grade variants often carry distinct identifiers. Confirm compliance with relevant defense standards and ensure the supplier provides appropriate traceability documentation for the hermetic seal integrity prior to acquisition.

Single Zener Diodes Selection Notes

Select this component when high reliability and radiation hardness are critical requirements. Ensure the circuit design accommodates the 1.5W power dissipation limit and the specific 43V breakdown characteristic. Verify that the through-hole or surface mount variant aligns with the board layout constraints.

Single Zener Diodes Part Context

This device belongs to the 1N4460 through 1N4496 series of Zener diodes. These components are specifically engineered for demanding environments where standard commercial parts would fail. The series offers a range of voltage options within a standardized hermetic package format.

Single Zener Diodes Replacement Considerations

Direct substitutes include JAN1N4480US and JANTXV1N4480US. Verify that any replacement maintains the same hermetic sealing and voltage specifications to ensure compatibility with existing system designs.