1N2128A

Single Diodes Overview

The Microchip Technology 1N2128A is a silicon power rectifier diode housed in the DO-203AB (DO-5) axial leaded package. It is rated for a maximum repetitive peak reverse voltage of 50V and a continuous forward current of 70A. The device features a single element configuration designed for high-power applications requiring robust surge handling capabilities.

Single Diodes Feature Summary

• Glass passivated die construction for enhanced reliability
• Low forward voltage drop characteristics
• High surge current capability up to 1000 A
• Low leakage current performance

Single Diodes Applications

• High power standard rectification circuits
• Power supply input stages
• Industrial equipment power management

Single Diodes Procurement Notes

Verify the manufacturer source carefully, as this component is produced by multiple vendors including Vishay, Microsemi, and Navitas. Confirm the specific current rating variant (60A vs 70A) and package tolerance required for your design. Ensure the selected part meets any applicable military or aerospace specifications if mandated by your project requirements.

Single Diodes Selection Notes

Select this component when a 50V blocking voltage and high current capacity are required in an axial package. Consider the thermal management needs associated with 70A operation. Verify compatibility with existing PCB footprints for the DO-5 package. Check for specific suffix variations that may indicate different testing standards or polarity options among various manufacturers.

Single Diodes Part Context

This part belongs to the family of general-purpose power silicon rectifier diodes. Similar parts include variants from Vishay and International Rectifier offering comparable ratings. The 1N2128A designation is widely recognized across the semiconductor industry for high-current, low-voltage rectification tasks in industrial and commercial power supplies.

Single Diodes Replacement Considerations

Direct substitutes include VS-1N2128A from Vishay Semiconductors and equivalent parts from Microsemi. Ensure replacement parts match the 50V V(RRM) and 70A I(F) ratings. Verify package dimensions for DO-203AB compatibility before integration.