JANTX1N4148UBCA/TR

Diode Arrays Overview

The JANTX1N4148UBCA/TR is a high-reliability silicon switching diode manufactured by Microchip Technology. It complies with MIL-PRF-19500/116S specifications for the JANTX quality level. The device features a hermetically sealed ceramic package designed for demanding environments. Key electrical parameters include a peak reverse voltage of 75 V, a forward current of 200 mA, and a maximum surge current of 2 A. It exhibits a fast recovery time of 5 ns and a low reverse leakage current of 500 nA. The component operates within a temperature range of -65°C to +175°C.

Diode Arrays Feature Summary

• Hermetically sealed construction utilizing a ceramic package to ensure environmental stability and long-term reliability in harsh conditions.
• Military qualification under MIL-PRF-19500/116S standards, providing enhanced performance consistency and defect prevention compared to commercial equivalents.
• Fast switching capability characterized by a 5 ns recovery time, suitable for high-speed digital logic and signal processing applications.

Diode Arrays Applications

• High-reliability computer systems and peripheral equipment requiring robust signal handling.
• Magnetic core memory circuits and thin-film memory decoding or encoding applications.
• Avionics and aerospace electronic systems operating under extreme thermal and mechanical stress.

Diode Arrays Procurement Notes

Verify that the specific suffix '/TR' aligns with the manufacturer's current packaging configuration, as standard datasheets for this part number often list waffle pack or bulk formats. Confirm the JANTX quality level designation matches the required military specification compliance. Ensure the ceramic package type corresponds to the intended board layout and mounting requirements. Cross-reference the latest Product Change Notification (PCN) documents from Microchip to verify any recent manufacturing process updates or material changes affecting the component.

Diode Arrays Selection Notes

Select this component when a hermetically sealed, military-grade switching diode is required for critical systems. The JANTX level offers higher screening than JAN but may be more cost-effective than JANTXV or JANS levels if ultimate radiation hardness is not mandated. Consider the 75 V reverse voltage rating to ensure adequate margin over the circuit's operating voltage. The ceramic package necessitates specific handling procedures to maintain hermetic integrity during assembly and testing.

Diode Arrays Part Context

This device belongs to the 1N4148 family of small-signal switching diodes, adapted for high-reliability applications. While the commercial 1N4148 typically uses glass passivation and plastic or axial leads, this variant employs a ceramic package for superior sealing. It shares the fundamental PN junction characteristics with its commercial counterparts but undergoes rigorous testing and screening processes defined by MIL-PRF-19500/116S to ensure performance in defense and space environments.

Diode Arrays Replacement Considerations

Direct substitutes must meet MIL-PRF-19500/116S JANTX specifications. Equivalent parts include other manufacturers' JANTX1N4148 variants with identical ceramic packages. Verify pinout compatibility and hermetic seal integrity before substitution. Commercial 1N4148 types are not suitable replacements due to lack of military qualification and hermetic sealing.