1N4049

Single Diodes Overview

The Powerex Inc. 1N4049 is a high-current silicon rectifier diode designed for robust power conversion applications. It features a maximum repetitive peak reverse voltage of 700 V and supports an average forward rectified current of 275 A. The device utilizes a stud mount configuration within the DO-205AB (DO-9) package, facilitating efficient thermal dissipation through base mounting. With a standard recovery time exceeding 500 ns, it is classified as a general-purpose rectifier suitable for demanding industrial environments operating between -65°C and 190°C junction temperature.

Single Diodes Feature Summary

• High current handling capability with 275 A average forward rectified current rating
• Robust mechanical construction utilizing stud mount installation for secure attachment
• Wide operational temperature range extending up to 190°C junction temperature
• Standard recovery characteristics suitable for general purpose rectification tasks

Single Diodes Applications

• Industrial power supply rectification
• Motor drive systems
• Welding equipment power stages

Single Diodes Procurement Notes

Verify the specific voltage rating required for your application, as the 1N4049 is rated at 700 V. Confirm that the DO-205AB stud mount package aligns with your thermal management strategy. Ensure compatibility with existing heatsinking infrastructure. Check RoHS compliance status if environmental regulations apply to your manufacturing process. Validate lead times directly with authorized distributors due to potential supply chain variability for high-power discrete components.

Single Diodes Selection Notes

Select this component when high current capacity and ruggedness are prioritized over switching speed. The 700 V rating provides sufficient margin for many medium-voltage AC lines. Consider the physical size and mounting requirements associated with the stud mount package. Evaluate thermal resistance values to ensure adequate heat sinking is implemented. Compare against other series in the 1N40xx family if different voltage ratings are needed.

Single Diodes Part Context

This part belongs to the extensive 1N40xx series of high-current rectifiers manufactured by Powerex. These devices are engineered for durability in harsh electrical environments. The series offers various voltage options while maintaining consistent current handling and mechanical form factors. This specific model represents a mid-range voltage option within the lineup, balancing blocking capability with high ampacity for versatile industrial use cases.

Single Diodes Replacement Considerations

Cross-reference with other 275 A, 700 V stud-mount diodes from manufacturers like Microsemi or Vishay. Verify pinout compatibility and thermal interface requirements before substitution. Ensure equivalent recovery time and forward voltage drop characteristics match system performance needs.