1N4056

Single Diodes Overview

The Microchip Technology 1N4056 is a high-power standard recovery rectifier diode designed for demanding industrial applications. It features a maximum repetitive peak reverse voltage of 1000 V and an average rectified forward current of 275 A. The device utilizes a DO-205AB (DO-9) stud mount package, ensuring robust mechanical stability under high thermal stress. Key electrical characteristics include a maximum forward voltage of 1.3 V at 300 A and a maximum non-repetitive peak forward surge current of 5000 A. Operating within a junction temperature range of -65°C to 190°C, it provides reliable performance in harsh environments.

Single Diodes Feature Summary

• High current handling capability with a 275 A average rectified current rating
• Robust surge withstand capacity supporting up to 5000 A non-repetitive peak forward current
• Extended thermal operating range suitable for high-temperature industrial environments
• Standard recovery speed optimized for general-purpose power conversion

Single Diodes Applications

• Industrial motor drives and variable frequency drive rectification
• Welding equipment power supplies
• Heavy-duty DC power distribution systems
• Uninterruptible power supply (UPS) input stages

Single Diodes Procurement Notes

Verify the specific suffix designation when ordering, as variants such as 1N4056R or 1N4056RIL may exist with distinct packaging or compliance attributes. Confirm RoHS status requirements against project specifications, as availability varies by manufacturer lot. Ensure mounting hardware compatibility with the DO-205AB stud interface prior to procurement to avoid integration delays.

Single Diodes Selection Notes

Select this component for circuits requiring high voltage isolation and substantial continuous current flow. The 1000 V reverse voltage rating provides adequate margin for most three-phase AC line voltages. Consider the thermal management requirements associated with the 1.3 V forward drop at high currents to ensure efficient heat dissipation through the stud mount interface.

Single Diodes Part Context

This device belongs to the legacy 1N40xx series extended for high-power applications, manufactured by Microchip Technology. It shares the DO-205AB form factor with other high-current rectifiers like the 1N3742R and 1N1666. The product line emphasizes durability and long-term reliability for critical infrastructure components where failure is not an option.

Single Diodes Replacement Considerations

Direct substitutes must match the 1000 V / 275 A specification and DO-205AB package. Verify pinout and mounting hole dimensions if cross-brand replacement is necessary.