APT2X61DQ120J

Overview

The APT2X61DQ120J is a dual parallel ultrafast soft recovery rectifier diode manufactured by Microchip Technology. It features a maximum DC reverse voltage of 1200 V and an average forward current rating of 60 A at a case temperature of 85°C with a 0.5 duty cycle. The device utilizes the SOT-227 ISOTOP package, providing a junction-to-case thermal resistance of 0.56 °C/W. Static characteristics include a typical forward voltage of 3.07 V at 60 A and a maximum reverse leakage current of 100 µA at 1200 V. Dynamic performance specifies a reverse recovery time of 265 ns at 25°C and 560 ns at 125°C under standard test conditions.

Feature Summary

• Ultrafast soft recovery characteristics designed to minimize switching noise and electromagnetic interference in high-frequency circuits.
• Dual die configuration housed in a popular SOT-227 ISOTOP package for efficient heat dissipation and reliable mounting.
• High blocking voltage capability combined with low forward voltage drop to enhance system power density and efficiency.
• Rated for avalanche energy operation, ensuring robustness against transient overvoltage events during hard switching.

Applications

• Anti-parallel diodes in switchmode power supplies and inverters
• Free-wheeling diodes in motor controllers and converters
• Snubber diodes in high-speed rectifier circuits
• Uninterruptible power supply (UPS) systems
• Induction heating equipment

Procurement Notes

Verify the specific suffix J against official Microchip documentation to confirm exact binning or testing variations. Confirm RoHS compliance status through the manufacturer's latest environmental declarations. Ensure sourcing channels provide valid traceability for the ISOTOP package type. Cross-reference datasheet revision D specifications with current production releases to validate parameter consistency before integration.

Selection Notes

Select this component for applications requiring high-voltage isolation and fast switching speeds within a screw-mountable footprint. Evaluate thermal management requirements based on the specified junction-to-case resistance and derating curves. Consider the avalanche energy rating for environments prone to electrical stress. Compare dynamic parameters against circuit switching frequencies to ensure adequate soft recovery performance without excessive ringing.

Part Context

This device belongs to the APT2x61DQ series of ultrafast soft recovery rectifiers from Microchip Technology. It shares the SOT-227 ISOTOP form factor with related models like the APT2X60DQ120J but offers distinct electrical characteristics tailored for high-performance power conversion. The series is engineered to replace older generation rectifiers in demanding industrial and commercial power electronics designs.

Replacement Considerations

DCG130X1200NA

FAQ

What is the maximum non-repetitive forward surge current?

The maximum non-repetitive forward surge current is 540 A under conditions of TJ = 45°C and an 8.3ms pulse duration.

How does the reverse recovery time vary with temperature?

The reverse recovery time increases with temperature; it is typically 265 ns at 25°C and rises to 560 ns at 125°C when tested at IF = 60A and diF/dt = -200A/µs.

Is the device suitable for isolated mounting applications?

Yes, the SOT-227 ISOTOP package allows for isolated mounting with a minimum isolation voltage of 2500 Vrms between terminals and the mounting base for one minute.