S3MB

Single Diodes Overview

The MDD S3MB is a surface mount general purpose rectifier in the SMB/DO-214AA package. It features a maximum repetitive peak reverse voltage of 1000V and an average forward output rectified current of 3.0A. The device has a peak forward surge current capability of 90A and an instantaneous forward voltage of 1.1V at 3.0A. Operating junction temperature ranges from -55°C to +150°C, with storage temperatures matching this range. DC reverse current is rated at 5.0µA at 25°C and 100µA at 125°C. Junction capacitance is 35pF, measured at 1.0MHz.

Single Diodes Feature Summary

• Glass passivated chip construction for low reverse leakage current
• High forward surge current capability for robust performance
• Plastic package carries Underwriters Laboratory Flammability Classification 94V-0
• Guaranteed high temperature soldering at 250°C for 10 seconds

Single Diodes Applications

• Printed circuit board mounting
• General purpose rectification in surface mount applications
• AC to DC conversion circuits

Single Diodes Procurement Notes

Verify that the specific procurement order matches the original part number S3MB by MDD. Confirm the package type is SMB/DO-214AA and the electrical ratings align with the 1000V reverse voltage and 3.0A forward current specifications. Ensure compliance with RoHS/RoHS III standards if required by the end application. Cross-reference any alternative part codes like SMBS3MB000S30A to ensure functional equivalence before finalizing the purchase.

Single Diodes Selection Notes

Select this component when a high-voltage surface mount rectifier is required for PCB assembly. The 1000V rating makes it suitable for mains-level AC inputs. The SMB package allows for automated placement. Consider the thermal resistance values when designing heat dissipation strategies. Verify that the operating temperature range meets the environmental requirements of the target system.

Single Diodes Part Context

This component belongs to the SMB series of surface mount general purpose rectifiers. It utilizes a molded plastic body with solder-plated terminals. The polarity marking is visible on the case. The device is designed for high reliability in industrial and consumer electronics. It follows JEDEC methods for surge current testing and MIL-STD-750 for mechanical durability.

Single Diodes Replacement Considerations

Cross-reference part numbers such as SMBS3MB000S30A indicate equivalent specifications. Verify pinout compatibility and physical dimensions before substitution. Ensure the replacement maintains the same flammability rating and thermal characteristics.