JANTX1N5543DUR-1/TR

Single Zener Diodes Overview

The JANTX1N5543DUR-1/TR is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 25 V with a test current of 1 mA and a maximum reverse leakage current of 10 nA. The device operates within a temperature range of -65 °C to +175 °C and has a power dissipation rating of 500 mW. It utilizes the DO-213AA-2 (SMB) surface-mount package and is supplied in a reel configuration.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 25 V potential
• Capable of operation across an extended industrial temperature range from -65 °C to +175 °C
• Utilizes a compact surface-mount DO-213AA-2 package for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits in harsh environments
• Overvoltage protection for sensitive electronic components
• Power supply regulation modules requiring high thermal stability

Single Zener Diodes Procurement Notes

Verify the specific suffix TR indicates reel packaging when ordering. Confirm the JANTX designation aligns with required quality or screening standards for your application. Ensure the DO-213AA-2 footprint matches your PCB layout constraints. Cross-reference the manufacturer part number directly with official Microchip documentation to confirm availability and specifications before procurement.

Single Zener Diodes Selection Notes

Select this component when a 25 V Zener voltage is required in a surface-mount format. The JANTX series typically denotes enhanced testing or screening compared to standard commercial grades. Consider the 500 mW power dissipation limit and the wide operating temperature range when designing for extreme conditions. Verify that the SMB package dimensions fit within the available board space.

Single Zener Diodes Part Context

This component belongs to the 1N5543 family of Zener diodes produced by Microchip Technology under the Microsemi brand heritage. The JANTX prefix generally indicates a specific quality level or screening process distinct from standard commercial variants. The DUR-1 suffix specifies the round-end surface-mount package type, while the TR suffix confirms tape-and-reel delivery for high-volume manufacturing processes.

Single Zener Diodes Replacement Considerations

Direct replacements include other 25 V Zener diodes in the DO-213AA-2 package with comparable power ratings. Verify electrical parameters such as Zener impedance and leakage current match the original design requirements. Ensure any substitute component supports the same extended temperature range if used in critical applications.