STPS1L40M

Single Diodes Overview

The STPS1L40M is a single Schottky rectifier manufactured by STMicroelectronics, designed for switched mode power supplies and high-frequency DC to DC converters. It features an SMA (DO-214AC) surface-mount package with a maximum repetitive peak reverse voltage of 40 V and a continuous forward current rating of 1 A. The device exhibits a low forward voltage drop of 630 mV at rated current and supports a forward surge current of 60 A. Operating temperatures range from -40 °C to +175 °C, ensuring reliability in demanding environments.

Single Diodes Feature Summary

• Very small conduction losses due to low forward voltage drop
• Extremely fast switching with negligible switching losses
• Specified avalanche capability for enhanced robustness
• Low thermal resistance suitable for compact designs

Single Diodes Applications

• Switched mode power supplies
• High frequency DC to DC converters
• Low voltage high frequency inverters
• Free wheeling applications
• Polarity protection circuits

Single Diodes Procurement Notes

Verify the specific suffix 'M' against official datasheets to confirm package type and qualification status. Ensure compatibility with SMD/SMT assembly processes. Confirm RoHS compliance and automotive qualification requirements if applicable to the target design. Cross-reference ordering information with manufacturer documentation to avoid substitution errors.

Single Diodes Selection Notes

Select this component for applications requiring low forward voltage drop and fast switching speeds in space-constrained designs. The SMA package offers a balance between current handling and footprint size. Consider the specified avalanche capability when designing for inductive load switching. Evaluate thermal management requirements based on the low thermal resistance characteristic.

Single Diodes Part Context

This device belongs to the STPS1L40 series of low drop power Schottky rectifiers. It is part of STMicroelectronics' portfolio aimed at improving efficiency in battery-powered equipment such as cellular phones, notebooks, and PDAs. The series includes variants with different packages like SOD123Flat and SMB to suit various mounting and performance needs.

Single Diodes Replacement Considerations

Check for direct substitutes within the STPS1L40 family or other manufacturers offering identical 1A/40V specifications in SMA packages. Verify pinout compatibility and thermal characteristics before substitution.