1N1128

Single Diodes Overview

The Microchip Technology 1N1128 is a standard recovery rectifier diode designed for high-power applications. It features a maximum repetitive peak reverse voltage of 600 V and an average forward rectified current rating of 12 A. The device exhibits a maximum forward voltage drop of 1.2 V at 30 A and a low reverse leakage current of 10 µA at 600 V. It supports a maximum surge current of 250 A and operates within a junction temperature range of -65°C to +200°C. The component utilizes a DO-203AA (DO-4) stud mount package.

Single Diodes Feature Summary

• High thermal stability with a maximum operating junction temperature of +200°C
• Robust surge handling capability for transient overload protection
• Standard recovery characteristics suitable for general-purpose power conversion

Single Diodes Applications

• Industrial power supply rectification
• DC-to-AC inverter circuits
• Battery charging systems

Single Diodes Procurement Notes

Verify RoHS compliance status prior to procurement, as the component is listed as non-compliant in official documentation. Confirm that the required mounting hardware matches the stud mount configuration of the DO-203AA package. Ensure thermal management solutions accommodate the specified junction temperature limits during operation.

Single Diodes Selection Notes

Select this component when a single-phase standard recovery rectifier with high current capacity is required. The 12 A continuous current rating and 600 V blocking voltage make it suitable for medium-voltage industrial environments. Consider the stud mount package for efficient heat dissipation compared to surface-mount alternatives.

Single Diodes Part Context

The 1N1128 belongs to the S/R204 series of rectifiers manufactured by Microchip Technology. This series provides reliable performance for general-purpose rectification tasks. The component is classified under discrete semiconductor diodes and serves as a fundamental building block in power electronics designs requiring robust voltage and current handling.

Single Diodes Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter margins before replacing the original component in existing designs.