1N1397

Single Diodes Overview

The 1N1397 is a silicon power rectifier diode manufactured by Microchip Technology. It is designed for general-purpose rectification applications with a maximum average forward output current of 70 A and a repetitive peak reverse voltage rating of 100 V. The device utilizes a single-element configuration in an uncase chip package form factor. It operates within a temperature range of -40°C to 85°C and features tin-lead terminal plating. The component is surface mount compatible and complies with EAR99 export regulations.

Single Diodes Feature Summary

• High-current silicon rectification capability
• General-purpose single-phase operation
• Robust thermal performance for industrial environments

Single Diodes Applications

• Industrial power supplies
• Battery charging circuits
• DC power distribution systems

Single Diodes Procurement Notes

Verify the specific manufacturer source, as Microsemi was acquired by Microchip Technology. Confirm that the part number corresponds to the standard DO-205AA or equivalent uncase chip variant. Ensure compliance with RoHS directives if required, noting historical tin-lead terminations may apply to older stock. Validate the operating temperature range matches system requirements.

Single Diodes Selection Notes

Select this component for applications requiring high continuous current handling in compact layouts. The uncase chip design facilitates direct mounting to heat sinks or PCBs for efficient thermal dissipation. Consider the 100 V reverse voltage rating when designing for low-voltage DC systems. Ensure the surface-mount footprint aligns with the board layout constraints.

Single Diodes Part Context

This component belongs to the family of silicon power rectifiers produced by Microchip Technology. It serves as a fundamental discrete semiconductor device for converting AC to DC in power electronics. The 1N1397 designation follows standard JEDEC numbering conventions for rectifier diodes, indicating its role in general-purpose power conversion tasks.

Single Diodes Replacement Considerations

Cross-reference with other 70A to 100A silicon rectifiers from Microchip or third-party manufacturers. Verify pinout compatibility and thermal resistance characteristics before substitution. Ensure the replacement device meets the same 100 V reverse voltage and current carrying capacity specifications.