APTC90DSK12T1G

Overview

The APTC90DSK12T1G is a dual buck chopper Super Junction MOSFET power module manufactured by Microsemi Corporation. It features CoolMOS technology with a drain-source breakdown voltage of 900 V and a maximum on-resistance of 120 mΩ at Tj = 25°C. The continuous drain current is rated at 30 A at Tc = 25°C, decreasing to 23 A at Tc = 80°C. The module includes an integrated NTC thermistor for temperature monitoring and provides an RMS isolation voltage of 4000 V between terminals and the case.

Feature Summary

• Integrated internal NTC thermistor for precise temperature monitoring
• Super Junction CoolMOS technology providing ultra-low RDSon and gate charge
• Isolated package design enabling direct mounting to heatsinks
• Avalanche energy rated capability for rugged operation

Applications

• AC and DC motor control systems
• Switched Mode Power Supplies (SMPS)
• Dual buck chopper circuits

Procurement Notes

Verify component authenticity through authorized Microsemi distributors or certified supply chain partners. Confirm that the specific revision matches the required datasheet version. Ensure proper electrostatic discharge handling procedures are followed during storage and installation, as the device is sensitive to ESD damage.

Selection Notes

Select this module when high-frequency operation and low thermal resistance are critical requirements. The SP1 package allows for easy PCB mounting with solderable terminals for both power and signal connections. Consider the derating curves for continuous current based on the expected case temperature and ambient conditions.

Part Context

This component belongs to the Microsemi CoolMOS family of power modules. It utilizes Super Junction technology to achieve superior performance compared to standard planar MOSFETs. The SP1 package format is designed for efficient thermal management in compact power electronics designs requiring high reliability.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.

FAQ

What is the function of the internal thermistor?

The internal NTC thermistor provides temperature monitoring capabilities for the module junction.

How does the CoolMOS technology benefit this module?

CoolMOS technology enables ultra-low on-resistance and low gate charge, resulting in outstanding performance at high frequencies.

Can multiple legs of this module be paralleled?

Yes, each leg can be easily paralleled to achieve a single buck converter with twice the current capability.