1N4124UR

Single Zener Diodes Overview

The Microchip Technology 1N4124UR is a surface mount Zener diode housed in the DO-213AA package. It features a nominal Zener voltage of 43 V and a power dissipation rating of 500 mW. The device utilizes metallurgically bonded glass construction for robust performance. Standard tolerance variants include ±5% and ±10% configurations, with specific dynamic impedance values such as 200 ohms or 250 ohms depending on the exact suffix. It operates within a standard temperature range suitable for general electronic applications.

Single Zener Diodes Feature Summary

• Metallurgically bonded glass surface mount construction
• Round-end voltage regulator design
• Single Zener diode configuration

Single Zener Diodes Applications

• Voltage regulation circuits
• Surge protection devices
• Reference voltage sources

Single Zener Diodes Procurement Notes

Verify the specific suffix (e.g., -1, /TR) to confirm packaging format and tolerance accuracy. Ensure the DO-213AA footprint matches the PCB layout. Confirm RoHS compliance status if required by assembly specifications. Cross-reference datasheet DS00006237 for precise electrical limits before integration.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 43 V reference in a compact surface mount form factor. Consider the 500 mW power rating for thermal management needs. Evaluate the specific dynamic impedance requirements against the available variants to ensure circuit stability under varying load conditions.

Single Zener Diodes Part Context

This part belongs to Microchip's family of low noise Zener diodes designed for surface mount technology. It serves as a replacement for through-hole equivalents in modern miniaturized electronics. The DO-213AA package allows for automated assembly processes while maintaining reliable electrical characteristics for precision regulation tasks.

Single Zener Diodes Replacement Considerations

Direct substitutes include the 1N4124UR variant. Verify pinout compatibility and thermal resistance parameters when swapping between manufacturers. Ensure the replacement maintains the 43 V nominal voltage and 500 mW power dissipation capabilities.