APTDX300KK170D16AG

Overview

The APTDX300KK170D16AG is a fast-recovery common-cathode diode power module manufactured by Microchip Technology. It features an aluminum nitride substrate for improved thermal performance and M6 power connectors. The device supports a peak repetitive reverse voltage of 1700 V and a DC forward current of 300 A at 50 °C case temperature. Key electrical parameters include a maximum forward voltage of 2.7 V at 300 A and 25 °C, and a maximum reverse leakage current of 25 μA at 1700 V. The junction-to-case thermal resistance is 0.192 °C/W.

Feature Summary

• Fast-recovery times with soft-recovery characteristics
• High-blocking voltage and high current capability
• Low-leakage current operation
• Aluminum Nitride (AlN) substrate for improved thermal performance

Applications

• Uninterruptible Power Supply (UPS)
• Induction heating
• Welding equipment
• High-speed rectifiers

Procurement Notes

Verify the specific part number against official Microchip documentation to ensure compatibility with system requirements. Confirm that the mounting torque for M6 terminals falls within the specified range of 3 to 5 N.m. Ensure proper electrostatic discharge handling procedures are followed during installation and testing to prevent damage to the sensitive components.

Selection Notes

Select this component for applications requiring high-voltage isolation and efficient heat dissipation. The isolated package allows direct mounting to heatsinks, reducing thermal resistance. Verify that the operating junction temperature remains within the recommended range under switching conditions. Consider the low-noise switching benefits when designing circuits sensitive to electromagnetic interference.

Part Context

This device belongs to the Adaptec family of power modules from Microchip Technology. It is designed for robust performance in demanding power electronics environments. The module integrates advanced silicon technology to deliver reliable operation across a wide temperature range. Its construction supports high reliability in industrial and commercial power conversion systems.

Replacement Considerations

Consult official cross-reference tools or contact Microchip technical support for verified substitute parts. Ensure any replacement matches the electrical ratings, package dimensions, and thermal characteristics. Do not assume interchangeability based on similar specifications alone without verifying datasheet compliance.

FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 175 °C.

Does the module provide electrical isolation?

Yes, the module provides RMS isolation voltage of 4000 V between any terminal and the case.

What type of substrate is used in the package?

The module uses an Aluminum Nitride (AlN) substrate to improve thermal performance.