1N4249US

Single Diodes Overview

The Microchip Technology 1N4249US is a standard recovery rectifier diode designed for surface-mount applications. It features a maximum repetitive peak reverse voltage of 1000 V and an average forward rectified current of 1 A. The device utilizes a SQ-MELF (SMD) package configuration. Key electrical characteristics include a maximum forward voltage of 1.3 V, a maximum reverse current of 1 uA, and a maximum surge current rating of 25 A. The component supports a wide operating temperature range from -65°C to +175°C.

Single Diodes Feature Summary

• Surface-mount construction in a compact SQ-MELF package for automated assembly
• High-voltage capability with 1000 V reverse voltage rating
• Standard recovery characteristics suitable for general-purpose rectification

Single Diodes Applications

• General-purpose rectification in power supply circuits
• High-voltage blocking applications in industrial electronics
• Protection circuits requiring robust reverse voltage handling

Single Diodes Procurement Notes

Verify the specific suffix (e.g., /TR for tape and reel) against your manufacturing requirements. Confirm RoHS compliance status through official Microchip documentation. Ensure the SQ-MELF footprint matches your PCB design constraints. Cross-reference datasheet revisions to confirm parameter stability before finalizing procurement.

Single Diodes Selection Notes

Select this component when high-voltage isolation is required in a surface-mount form factor. The 1N4249US offers higher voltage ratings compared to low-voltage switching diodes. Consider thermal management capabilities within the MELF package for continuous current loads. Verify compatibility with existing high-voltage circuit designs requiring 1 A rectification capacity.

Single Diodes Part Context

This part belongs to Microchip's discrete diode portfolio, specifically the rectifier category. It serves as a surface-mount alternative to traditional through-hole glass-passivated junction rectifiers. The SQ-MELF package provides mechanical stability and consistent soldering profiles for high-volume production environments.

Single Diodes Replacement Considerations

Direct substitutes include other 1000V 1A surface-mount rectifiers in similar packages. Verify pinout compatibility and thermal resistance values when replacing with equivalent parts from other manufacturers.